COI 6.25% and Higher

COI 6.25% and Higher is in Coefficient of Inbreeding.

On 13 Sep 1409 Joan Valois was born to Charles Valois Duke Orléans (age 14) and Isabella Valois Queen Consort England (age 19). Isabella Valois Queen Consort England (age 19) died in childbirth. Coefficient of inbreeding 9.28%.

On 25 May 1900 Stillborn Hesse Darmstadt was born to Ernest Louis Hesse Darmstadt Grand Duke (age 31) and Victoria Melita Windsor (age 23). He a great grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 9.13%.

On 11 Mar 1895 Elisabeth Hesse Darmstadt was born to Ernest Louis Hesse Darmstadt Grand Duke (age 26) and Victoria Melita Windsor (age 18). She a great granddaughter of Queen Victoria of the United Kingdom. Coefficient of inbreeding 9.13%.

In 1423 Eleanor Trastámara was born to John II King Castile (age 17) and Maria Trastámara Queen Consort Castile (age 27). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%.

In 1422 Catherine Trastámara was born to John II King Castile (age 16) and Maria Trastámara Queen Consort Castile (age 26). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%.

On 05 Jan 1425 Henry IV King Castile was born to John II King Castile (age 19) and Maria Trastámara Queen Consort Castile (age 29). He a great x 2 grandson of King Edward III of England. Coefficient of inbreeding 8.97%.

In 1428 Infanta Maria Trastámara was born to John II King Castile (age 22) and Maria Trastámara Queen Consort Castile (age 32). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%.

On 04 Sep 1755 Mary O'Brien 4th Countess Orkney was born to Murrough O'Brien 1st Marquess Thomond (age 29) and Mary O'Brien 3rd Countess Orkney and Inchquin (age 34). Coefficient of inbreeding 8.42%.

On 22 May 1689 Leopold Ferdinand of Bavaria was born to Maximilian Wittelsbach II Elector Bavaria (age 26) and Maria Antonia of Austria (age 20). He died the same day. Coefficient of inbreeding 8.42%.

On 28 Oct 1692 Joseph Ferdinand of Bavaria was born to Maximilian Wittelsbach II Elector Bavaria (age 30) and Maria Antonia of Austria (age 23). Coefficient of inbreeding 8.42%.

On 19 Nov 1690 Anton of Bavaria was born to Maximilian Wittelsbach II Elector Bavaria (age 28) and Maria Antonia of Austria (age 21). He died the same day. Coefficient of inbreeding 8.42%.

On 23 Aug 1498 Miguel Aviz was born to Manuel "Fortunate" I King Portugal (age 29) and Isabella Trastámara Queen Consort Portugal. Coefficient of inbreeding 8.38%.

On 07 Jun 1502 John III King Portugal was born to Manuel "Fortunate" I King Portugal (age 33) and Maria Trastámara Queen Consort Portugal (age 20). Coefficient of inbreeding 8.38%.

On 24 Oct 1503 Isabel Aviz Queen Consort Spain was born to Manuel "Fortunate" I King Portugal (age 34) and Maria Trastámara Queen Consort Portugal (age 21). Coefficient of inbreeding 8.38%.

On 31 Dec 1504 Beatrice Aviz Duchess Savoy was born to Manuel "Fortunate" I King Portugal (age 35) and Maria Trastámara Queen Consort Portugal (age 22). Coefficient of inbreeding 8.38%.

On 03 Mar 1506 Louis Aviz was born to Manuel "Fortunate" I King Portugal (age 36) and Maria Trastámara Queen Consort Portugal (age 24). Coefficient of inbreeding 8.38%.

On 05 Jun 1507 Fernando Aviz was born to Manuel "Fortunate" I King Portugal (age 38) and Maria Trastámara Queen Consort Portugal (age 25). Coefficient of inbreeding 8.38%.

On 23 Apr 1509 Afonso Aviz was born to Manuel "Fortunate" I King Portugal (age 39) and Maria Trastámara Queen Consort Portugal (age 27). Coefficient of inbreeding 8.38%.

On 31 Jan 1512 Henrique Aviz Cardinal King Portugal was born to Manuel "Fortunate" I King Portugal (age 42) and Maria Trastámara Queen Consort Portugal (age 30). Coefficient of inbreeding 8.38%.

On 03 Feb 1513 Maria Aviz was born to Manuel "Fortunate" I King Portugal (age 43) and Maria Trastámara Queen Consort Portugal (age 31). Coefficient of inbreeding 8.38%.

On 07 Oct 1515 Duarte Aviz was born to Manuel "Fortunate" I King Portugal (age 46) and Maria Trastámara Queen Consort Portugal (age 33). Coefficient of inbreeding 8.38%.

On 09 Sep 1516 Antonio Aviz was born to Manuel "Fortunate" I King Portugal (age 47) and Maria Trastámara Queen Consort Portugal (age 34). Coefficient of inbreeding 8.38%.

Around 1193 Dulce Ivrea was born to Alfonso IX King Leon (age 21) and Theresa of Portugal Queen Consort Leon (age 17). Coefficient of inbreeding 8.34%.

In 1191 Sancha Ivrea Queen Consort Castile was born to Alfonso IX King Leon (age 19) and Theresa of Portugal Queen Consort Leon (age 15). Coefficient of inbreeding 8.34%.

Around 1192 Ferdinand Ivrea was born to Alfonso IX King Leon (age 20) and Theresa of Portugal Queen Consort Leon (age 16). Coefficient of inbreeding 8.34%.

Maria Ivrea was born to Alfonso IX King Leon and Theresa of Portugal Queen Consort Leon. Coefficient of inbreeding 8.34%.

On 18 Jan 1726 Frederick Henry Louis Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 37) and Sophia Dorothea Hanover Queen Consort Prussia (age 38). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 09 Nov 1723 Anna Amalia Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 35) and Sophia Dorothea Hanover Queen Consort Prussia (age 36). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 09 Aug 1722 Augustus William Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 33) and Sophia Dorothea Hanover Queen Consort Prussia (age 35). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 24 Jun 1720 Louisa Ulrika of Prussia Queen Consort of Sweden was born to Frederick William "Soldier King" I King Prussia (age 31) and Sophia Dorothea Hanover Queen Consort Prussia (age 33). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 23 May 1730 Augustus Ferdinand Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 41) and Sophia Dorothea Hanover Queen Consort Prussia (age 43). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 02 May 1717 Louis Charles William Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 28) and Sophia Dorothea Hanover Queen Consort Prussia (age 30). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 03 Jul 1709 Friedrike Wilhelmine Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 20) and Sophia Dorothea Hanover Queen Consort Prussia (age 22). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 28 Sep 1714 Frederica Louise Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 26) and Sophia Dorothea Hanover Queen Consort Prussia (age 27). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 05 May 1713 Charlotte Albertine Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 24) and Sophia Dorothea Hanover Queen Consort Prussia (age 26). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 24 Jan 1712 Frederick "The Great" I King Prussia was born to Frederick William "Soldier King" I King Prussia (age 23) and Sophia Dorothea Hanover Queen Consort Prussia (age 24). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 16 Aug 1710 Frederick William Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 22) and Sophia Dorothea Hanover Queen Consort Prussia (age 23). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 25 Jan 1719 Sophia Dorothea Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 30) and Sophia Dorothea Hanover Queen Consort Prussia (age 31). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 23 Nov 1707 Frederick Louis Hohenzollern was born to Frederick William "Soldier King" I King Prussia (age 19) and Sophia Dorothea Hanover Queen Consort Prussia (age 20). He a grandson of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

On 13 Mar 1716 Princess Philippine Charlotte of Prussia was born to Frederick William "Soldier King" I King Prussia (age 27) and Sophia Dorothea Hanover Queen Consort Prussia (age 28). She a granddaughter of King George I of Great Britain and Ireland. Coefficient of inbreeding 8.31%.

In 1697 Charles Hamilton was born to Thomas Hamilton 6th Earl Haddington (age 16) and Helen Hope Countess Haddington (age 19). Coefficient of inbreeding 8.23%.

On 26 Jun 1756 Harry Trelawny 7th Baronet was born to William Trelawny 6th Baronet (age 34) and Laetitia Trelawny (age 28). Coefficient of inbreeding 8.01%.

On 12 Mar 1798 Hender Molesworth-St Aubyn was born to Reverend John Molesworth (age 34) and Catherine St Aubyn. Coefficient of inbreeding 7.81%.

On 10 Mar 1794 Francisco de Paula of Spain was born to Charles IV King Spain (age 45) and Maria Luisa of Parma (age 42). Coefficient of inbreeding 7.66%.

On 14 Oct 1784 Ferdinand VII King Spain was born to Charles IV King Spain (age 35) and Maria Luisa of Parma (age 32). Coefficient of inbreeding 7.66%.

On 06 Jul 1789 Maria Isabel Queen Consort of the Two Sicilies was born to Charles IV King Spain (age 40) and Maria Luisa of Parma (age 37). Coefficient of inbreeding 7.66%.

On 29 Mar 1788 Infante Carlos María Isidro of Spain was born to Charles IV King Spain (age 39) and Maria Luisa of Parma (age 36). Coefficient of inbreeding 7.66%.

On 10 Mar 1893 Fergus Frederick Graham 5th Baronet was born to Richard James Graham 4th Baronet (age 34) and Mabel Cynthia Duncombe Lady Graham. Coefficient of inbreeding 7.64%.

On 18 Feb 1520 Carlos Aviz was born to Manuel "Fortunate" I King Portugal (age 50) and Eleanor of Austria Queen Consort France Queen Consort Portugal (age 21). Coefficient of inbreeding 7.55%.

On 09 Jul 1665 Stillborn Bourbon was born to Philip Bourbon I Duke Orléans (age 24) and Princess Henrietta Stewart Duchess Orléans (age 21). She a granddaughter of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

In 1668 Miscarriage Bourbon was born to Philip Bourbon I Duke Orléans (age 27) and Princess Henrietta Stewart Duchess Orléans (age 23). He a grandson of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

On 27 Aug 1669 Anne Marie Bourbon Queen Consort Sardinia was born to Philip Bourbon I Duke Orléans (age 28) and Princess Henrietta Stewart Duchess Orléans (age 25). She a granddaughter of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

On 16 Jul 1664 Philippe Charles Bourbon was born to Philip Bourbon I Duke Orléans (age 23) and Princess Henrietta Stewart Duchess Orléans (age 20). He a grandson of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

In 1663 Miscarriage Bourbon was born to Philip Bourbon I Duke Orléans (age 22) and Princess Henrietta Stewart Duchess Orléans (age 18). He a grandson of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

On 26 Mar 1662 Marie Louise Bourbon Queen Consort Spain was born to Philip Bourbon I Duke Orléans (age 21) and Princess Henrietta Stewart Duchess Orléans (age 17). She a granddaughter of King Charles I of England, Scotland and Ireland. Coefficient of inbreeding 7.50%.

On 29 Jan 1451 John Aviz was born to Alfonso "The African" V King Portugal (age 19) and Isabella Aviz Queen Consort Portugal (age 19). He a great x 3 grandson of King Edward III of England. Coefficient of inbreeding 7.45%.

On 03 Mar 1455 John II King Portugal was born to Alfonso "The African" V King Portugal (age 23) and Isabella Aviz Queen Consort Portugal. He a great x 3 grandson of King Edward III of England. Coefficient of inbreeding 7.45%.

On 06 Feb 1452 Joan Aviz was born to Alfonso "The African" V King Portugal (age 20) and Isabella Aviz Queen Consort Portugal (age 20). She a great x 3 granddaughter of King Edward III of England. Coefficient of inbreeding 7.45%.

On 13 Feb 1457 Mary Valois Duchess Burgundy was born to Charles "Bold" Valois Duke Burgundy (age 23) and Isabella Bourbon (age 21). She a great x 3 granddaughter of King Edward III of England. Coefficient of inbreeding 7.43%.

On 27 Nov 1896 William Victor aka Sigismund Hohenzollern was born to Prince Henry Hohenzollern (age 34) and Irene Hesse Darmstadt (age 30). He a great grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 7.42%.

On 09 Jan 1900 Henry Victor Hohenzollern was born to Prince Henry Hohenzollern (age 37) and Irene Hesse Darmstadt (age 33). He a great grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 7.42%.

On 20 Mar 1889 Waldemar William Hohenzollern was born to Prince Henry Hohenzollern (age 26) and Irene Hesse Darmstadt (age 22). He a great grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 7.42%.

On 11 Dec 1709 Louise Élisabeth Bourbon Queen Consort Spain was born to Philippe Bourbon II Duke Orléans (age 35) and Françoise Marie Bourbon Duchess Orléans (age 32). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 03 Aug 1703 Louis Bourbon Duke Orléans was born to Philippe Bourbon II Duke Orléans (age 29) and Françoise Marie Bourbon Duchess Orléans (age 26) at Palace of Versailles, Versailles. He a great x 3 grandson of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 17 Dec 1693 Marie Isabella Bourbon was born to Philippe Bourbon II Duke Orléans (age 19) and Françoise Marie Bourbon Duchess Orléans (age 16). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 20 Aug 1695 Marie Louise Élisabeth Bourbon Duchess Berry was born to Philippe Bourbon II Duke Orléans (age 21) and Françoise Marie Bourbon Duchess Orléans (age 18). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 13 Aug 1698 Louise Adélaïde Bourbon was born to Philippe Bourbon II Duke Orléans (age 24) and Françoise Marie Bourbon Duchess Orléans (age 21). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 27 Jun 1716 Louise Diane Bourbon was born to Philippe Bourbon II Duke Orléans (age 41) and Françoise Marie Bourbon Duchess Orléans (age 39). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 18 Dec 1714 Philippine Élisabeth Bourbon was born to Philippe Bourbon II Duke Orléans (age 40) and Françoise Marie Bourbon Duchess Orléans (age 37). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 20 Oct 1700 Charlotte Aglaé Bourbon was born to Philippe Bourbon II Duke Orléans (age 26) and Françoise Marie Bourbon Duchess Orléans (age 23). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. Coefficient of inbreeding 7.39%.

On 26 Jun 1399 John Valois Orléans was born to Louis Valois Duke Touraine I Duke Orléans (age 27) and Valentina Visconti (age 28). Coefficient of inbreeding 7.38%.

In Apr 1401 Marie Valois was born to Louis Valois Duke Touraine I Duke Orléans (age 29) and Valentina Visconti (age 30). Coefficient of inbreeding 7.38%.

On 04 Dec 1406 Margaret Valois was born to Louis Valois Duke Touraine I Duke Orléans (age 34) and Valentina Visconti (age 35). Coefficient of inbreeding 7.38%.

Around 22 Jun 1394 Philip Valois Orléans Count Vertus was born to Louis Valois Duke Touraine I Duke Orléans (age 22) and Valentina Visconti (age 23). Coefficient of inbreeding 7.38%.

On 24 Nov 1394 Charles Valois Duke Orléans was born to Louis Valois Duke Touraine I Duke Orléans (age 22) and Valentina Visconti (age 23). Coefficient of inbreeding 7.38%.

In 1480 Charles Trastámara was born to Ferdinand I King Naples (age 56) and Joanna of Aragon Queen Consort Naples (age 26). Coefficient of inbreeding 7.30%.

On 15 Apr 1479 Joanna Trastámara Queen Consort Naples was born to Ferdinand I King Naples (age 55) and Joanna of Aragon Queen Consort Naples (age 25). Coefficient of inbreeding 7.30%.

On 18 Mar 1848 Princess Louise Caroline Alberta Windsor Duchess Argyll was born to Prince Albert Saxe Coburg Gotha (age 28) and Queen Victoria of the United Kingdom (age 28). Coefficient of inbreeding 7.16%.

On 14 Apr 1857 Princess Beatrice was born to Prince Albert Saxe Coburg Gotha (age 37) and Queen Victoria of the United Kingdom (age 37). Coefficient of inbreeding 7.16%.

On 25 May 1846 Helena Windsor was born to Prince Albert Saxe Coburg Gotha (age 26) and Queen Victoria of the United Kingdom (age 27). Coefficient of inbreeding 7.16%.

On 06 Aug 1844 Prince Alfred Windsor was born to Prince Albert Saxe Coburg Gotha (age 24) and Queen Victoria of the United Kingdom (age 25) at Windsor Castle [Map]. Coefficient of inbreeding 7.16%.

On 21 Nov 1840 Victoria Empress Germany Queen Consort Prussia was born to Prince Albert Saxe Coburg Gotha (age 21) and Queen Victoria of the United Kingdom (age 21). Coefficient of inbreeding 7.16%.

On 09 Nov 1841 King Edward VII of the United Kingdom was born to Prince Albert Saxe Coburg Gotha (age 22) and Queen Victoria of the United Kingdom (age 22). Coefficient of inbreeding 7.16%.

On 25 Apr 1843 Princess Alice Saxe Coburg Gotha was born to Prince Albert Saxe Coburg Gotha (age 23) and Queen Victoria of the United Kingdom (age 23). Coefficient of inbreeding 7.16%.

Around 1690 William Kerr 3rd Marquess Lothian was born to William Kerr 2nd Marquess Lothian (age 28) and Jean Campbell Marchioness Lothian. Coefficient of inbreeding 7.14%.

In 1727 George O'Brien was born to William O'Brien 4th Earl Inchiquin (age 27) and Anne Hamilton 2nd Countess Orkney and Inchiquin. Coefficient of inbreeding 7.13%.

In 1731 Murrough O'Brien was born to William O'Brien 4th Earl Inchiquin (age 31) and Anne Hamilton 2nd Countess Orkney and Inchiquin. Coefficient of inbreeding 7.13%.

In 1725 William O'Brien was born to William O'Brien 4th Earl Inchiquin (age 25) and Anne Hamilton 2nd Countess Orkney and Inchiquin. Coefficient of inbreeding 7.13%.

On 31 May 1860 Arthur Hugh Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 34) and Constance Leveson-Gower Duchess Westminster (age 25). Coefficient of inbreeding 7.06%.

On 14 Jul 1874 Gerald Richard Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 48) and Constance Leveson-Gower Duchess Westminster (age 40). Coefficient of inbreeding 7.06%.

On 09 Apr 1873 Margaret Evelyn Grosvenor Duchess Teck was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 47) and Constance Leveson-Gower Duchess Westminster (age 38). Coefficient of inbreeding 7.06%.

On 19 Mar 1869 Robert Edward Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 43) and Constance Leveson-Gower Duchess Westminster (age 34). Coefficient of inbreeding 7.06%.

On 28 Apr 1853 Victor Alexander Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 27) and Constance Leveson-Gower Duchess Westminster (age 18). Coefficient of inbreeding 7.06%.

On 23 Jun 1861 Henry George Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 35) and Constance Leveson-Gower Duchess Westminster (age 27). Coefficient of inbreeding 7.06%.

On 14 Nov 1858 Beatrice Constance Grosvenor was born to Hugh Lupus Grosvenor 1st Duke Westminster (age 33) and Constance Leveson-Gower Duchess Westminster (age 24). Coefficient of inbreeding 7.06%.

On or before 23 May 1849 Katharine Frances Wilbraham Lady Wilbraham was born to Lieutenant-General Richard Wilbraham (age 38) and Elizabeth Frances Egerton. Coefficient of inbreeding 7.04%.

On 20 May 1821 Amalia Elisabeth Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 43) and Princess Wilhelmine Baden (age 32). Coefficient of inbreeding 7.03%.

On 15 Jul 1823 Alexander Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 45) and Princess Wilhelmine Baden (age 34). Coefficient of inbreeding 7.03%.

On 23 Apr 1809 Karl Wilhelm Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 31) and Princess Wilhelmine Baden (age 20). Coefficient of inbreeding 7.03%.

On 18 Aug 1807 Stillborn Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 29) and Princess Wilhelmine Baden (age 18). Coefficient of inbreeding 7.03%.

On 09 Jun 1806 Louis Hesse Darmstadt III Grand Duke was born to Louis Hesse Darmstadt II Grand Duke (age 28) and Princess Wilhelmine Baden (age 17). Coefficient of inbreeding 7.03%.

On 07 Jun 1822 Stillborn daughter Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 44) and Princess Wilhelmine Baden (age 33). Coefficient of inbreeding 7.03%.

On 01 Aug 1824 Maria Alexandrovna Hesse Darmstadt was born to Louis Hesse Darmstadt II Grand Duke (age 46) and Princess Wilhelmine Baden (age 35). Coefficient of inbreeding 7.03%.

In 1543 Joao I Duke of Braganza was born to Teodosio I Duke of Braganza (age 33) and Isabel de Lencastre (age 29). Coefficient of inbreeding 7.03%.

Around 1170 Maelgwn Dinefwr was born to Rhys ap Gruffydd "The Lord Rhys" Dinefwr (age 38) and Gwenllian ferch Madog Mathrafal. Coefficient of inbreeding 6.94%.

On 02 Jul 1903 Olav Glücksburg V King Norway was born to Haakon VII King Norway (age 30) and Maud Windsor Queen Consort Norway (age 33). He a grandson of King Edward VII of the United Kingdom. Coefficient of inbreeding 6.91%.

On 11 Jul 1771 Karoline Amalie Hesse-Kassel Duchess Saxe Gotha Altenburg was born to William Elector of Hesse (age 28) and Electress Wilhelmina Caroline Oldenburg (age 24). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 28 Jul 1777 Wilhelm Hesse-Kassel was born to William Elector of Hesse (age 34) and Electress Wilhelmina Caroline Oldenburg (age 30). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 15 Jan 1769 Wilhelm Hesse-Kassel was born to Charles Hesse-Kassel (age 24) and Louise Oldenburg (age 18). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 24 May 1771 Frederik Hesse-Kassel was born to Charles Hesse-Kassel (age 26) and Louise Oldenburg (age 21). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 19 Jan 1773 Juliane Hesse-Kassel was born to Charles Hesse-Kassel (age 28) and Louise Oldenburg (age 22). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 14 Aug 1776 Christian Hesse-Kassel was born to Charles Hesse-Kassel (age 31) and Louise Oldenburg (age 26). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 20 Oct 1767 Marie Sophie Hesse-Kassel Queen Consort Denmark and Norway was born to Charles Hesse-Kassel (age 22) and Louise Oldenburg (age 17). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 14 Sep 1768 Marie Friederike Hesse-Kassel was born to William Elector of Hesse (age 25) and Electress Wilhelmina Caroline Oldenburg (age 21). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 08 Aug 1772 Friedrich Hesse-Kassel was born to William Elector of Hesse (age 29) and Electress Wilhelmina Caroline Oldenburg (age 25). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 28 Sep 1789 Louise Caroline Hesse-Kassel Duchess Schleswig Holstein Sonderburg Glücksburg was born to Charles Hesse-Kassel (age 44) and Louise Oldenburg (age 39). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.89%.

On 06 Oct 1808 Frederick VII King Denmark was born to King Christian I of Norway and VIII of Denmark (age 22) and Duchess Charlotte Frederica of Mecklenburg-Schwerin (age 23). Coefficient of inbreeding 6.77%.

Around 1736 Winifred Maxwell was born to William Maxwell 6th Earl Nithsdale and Catherine Stewart (age 30). Coefficient of inbreeding 6.75%.

On 01 Jul 1627 Anna Maria of Mecklenburg-Schwerin was born to Duke Adolphus Frederick I of Mecklenburg-Schwerin (age 38) and Anna Maria of Ostfriesland (age 26). Coefficient of inbreeding 6.74%.

On 09 May 1909 Kira Kirillovna Holstein Gottorp Romanov was born to Cyril Vladimirovich Holstein Gottorp Romanov (age 32) and Victoria Melita Windsor (age 32). She a great granddaughter of Queen Victoria of the United Kingdom. Coefficient of inbreeding 6.73%.

On 02 Feb 1907 Maria Kirillovna Holstein Gottorp Romanov was born to Cyril Vladimirovich Holstein Gottorp Romanov (age 30) and Victoria Melita Windsor (age 30). She a great granddaughter of Queen Victoria of the United Kingdom. Coefficient of inbreeding 6.73%.

On 30 Aug 1917 Vladimir Kirillovich Holstein Gottorp Romanov was born to Cyril Vladimirovich Holstein Gottorp Romanov (age 40) and Victoria Melita Windsor (age 40). He a great grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 6.73%.

Around 1463 Anne Harrington was born to John Harrington (age 39) and Maud Clifford (age 21). Coefficient of inbreeding 6.72%.

Elizabeth Harrington was born to John Harrington and Maud Clifford. Coefficient of inbreeding 6.72%.

On 31 Jan 1871 Richard Frederick Cavendish was born to Edward Cavendish (age 33) and Emma Elizabeth Lascelles. Coefficient of inbreeding 6.69%.

On 25 Mar 1875 John Spencer Cavendish was born to Edward Cavendish (age 37) and Emma Elizabeth Lascelles. Coefficient of inbreeding 6.69%.

On 31 May 1868 Victor Christian William Cavendish 9th Duke Devonshire was born to Edward Cavendish (age 30) and Emma Elizabeth Lascelles. Coefficient of inbreeding 6.69%.

On 02 Apr 1586 Filippo Emanuele Prince of Piedmont was born to Charles Emmanuel Savoy I Duke Savoy (age 24) and Catherine Habsburg Spain Duchess Savoy (age 18). Coefficient of inbreeding 6.67%.

On 08 May 1587 Victor Amadeus I Duke of Savoy was born to Charles Emmanuel Savoy I Duke Savoy (age 25) and Catherine Habsburg Spain Duchess Savoy (age 19). Coefficient of inbreeding 6.67%.

On 16 Apr 1588 Emanuel Filibert of Savoy was born to Charles Emmanuel Savoy I Duke Savoy (age 26) and Catherine Habsburg Spain Duchess Savoy (age 20). Coefficient of inbreeding 6.67%.

On 10 Jan 1593 Cardinal Maurice of Savoy was born to Charles Emmanuel Savoy I Duke Savoy (age 30) and Catherine Habsburg Spain Duchess Savoy (age 25). Coefficient of inbreeding 6.67%.

On 28 Apr 1589 Margaret of Savoy Vicereine Portugal was born to Charles Emmanuel Savoy I Duke Savoy (age 27) and Catherine Habsburg Spain Duchess Savoy (age 21). Coefficient of inbreeding 6.67%.

On 11 Mar 1591 Isabella of Savoy was born to Charles Emmanuel Savoy I Duke Savoy (age 29) and Catherine Habsburg Spain Duchess Savoy (age 23). Coefficient of inbreeding 6.67%.

On 21 Dec 1596 Thomas Francis of Savoy 1st Prince of Carignano was born to Charles Emmanuel Savoy I Duke Savoy (age 34) and Catherine Habsburg Spain Duchess Savoy (age 29). Coefficient of inbreeding 6.67%.

On 28 Jan 1768 Frederick VI King Denmark and Norway was born to Christian VII King Denmark and Norway (age 18) and Caroline Matilda Hanover Queen Consort Denmark and Norway (age 16). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.66%.

On 07 Jul 1771 Louise Auguste possible father Johann Friedrich Struensee Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg was born to Christian VII King Denmark and Norway (age 22) and Caroline Matilda Hanover Queen Consort Denmark and Norway (age 19). She a great granddaughter of King George II of Great Britain and Ireland. Coefficient of inbreeding 6.66%.

On 16 Apr 1920 Prince George Valdemar Carl Axel of Denmark was born to Prince Axel of Denmark (age 31) and Princess Ingeborg Glücksburg (age 41). Coefficient of inbreeding 6.66%.

In Sep 1778 George Howard was born to Henry Howard 12th Earl Suffolk 5th Earl Berkshire (age 39) and Charlotte Finch Countess Suffolk and Berkshire (age 24). Coefficient of inbreeding 6.66%.

On 07 Feb 1688 Marie Louise Hesse-Kassel Princess Nassau Dietz was born to Charles I Landgrave Hesse-Kassel (age 33) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 34). Coefficient of inbreeding 6.66%.

On 30 Dec 1684 Leopold Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 30) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 31). Coefficient of inbreeding 6.66%.

On 28 May 1689 Maximillian Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 34) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 35). Coefficient of inbreeding 6.66%.

On 08 Jan 1691 George Charles Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 36) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 37). Coefficient of inbreeding 6.66%.

On 11 Jan 1694 Eleonore Antoine Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 39) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 40). Coefficient of inbreeding 6.66%.

On 16 Jul 1678 Sophie Charlotte Hesse-Kassel Duchess Mecklenburg-Schwerin was born to Charles I Landgrave Hesse-Kassel (age 23) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 25). Coefficient of inbreeding 6.66%.

On 29 Mar 1674 William Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 19) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 20). On 25 Jul 1676 William Hesse-Kassel (age 2) died. Coefficient of inbreeding 6.66%.

On 24 Feb 1675 Charles Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 20) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 21). On 07 Dec 1677 Charles Hesse-Kassel (age 2) died. Coefficient of inbreeding 6.66%.

On 28 Apr 1676 Frederick I King Sweden was born to Charles I Landgrave Hesse-Kassel (age 21) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 22). Coefficient of inbreeding 6.66%.

On 02 Jul 1677 Christian Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 22) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 24). Coefficient of inbreeding 6.66%.

On 05 Sep 1686 Louis Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 32) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 33). Coefficient of inbreeding 6.66%.

On 10 Mar 1682 William Hesse-Kassel was born to Charles I Landgrave Hesse-Kassel (age 27) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 28). Coefficient of inbreeding 6.66%.

On 29 Sep 1680 Louise Dorothea Hohenzollern was born to Frederick I King Prussia (age 23) and Elisabeth Henriëtte Hesse-Kassel (age 18). Coefficient of inbreeding 6.64%.

In 1728 Laetitia Trelawny was born to Harry Trelawny 5th Baronet (age 40) and Letitia Trelawny. Coefficient of inbreeding 6.64%.

In 1708 Baptist Noel 4th Earl Gainsborough was born to Baptist Noel 3rd Earl Gainsborough (age 24) and Dorothy Manners Countess Gainsborough (age 18). Coefficient of inbreeding 6.59%.

In 1710 Susannah Noel Countess Shaftesbury was born to Baptist Noel 3rd Earl Gainsborough (age 26) and Dorothy Manners Countess Gainsborough (age 20). Coefficient of inbreeding 6.59%.

On 07 May 1586 Francesco IV Gonzaga Duke of Mantua was born to Vincenzo Gonzaga III Duke Mantua (age 23) and Eleanor de Medici Duchess Mantua (age 19). Coefficient of inbreeding 6.51%.

On 02 Oct 1591 Margherita Gonzaga Duchess Lorraine was born to Vincenzo Gonzaga III Duke Mantua (age 29) and Eleanor de Medici Duchess Mantua (age 24). Coefficient of inbreeding 6.51%.

In 1796 Augusta Vane was born to William Henry Vane 1st Duke Cleveland (age 29) and Catharine Margaret Powlett Countess Darlington (age 30). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

On 03 Apr 1792 William Vane 3rd Duke Cleveland was born to William Henry Vane 1st Duke Cleveland (age 25) and Catharine Margaret Powlett Countess Darlington (age 26). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

In 1791 Louisa Catherine Barbara Vane was born to William Henry Vane 1st Duke Cleveland (age 24) and Catharine Margaret Powlett Countess Darlington (age 25). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

In 1801 Arabella Vane was born to William Henry Vane 1st Duke Cleveland (age 34) and Catharine Margaret Powlett Countess Darlington (age 35). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

On 19 Apr 1803 Harry George Powlett 4th Duke Cleveland was born to William Henry Vane 1st Duke Cleveland (age 36) and Catharine Margaret Powlett Countess Darlington (age 37). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

In 1795 Caroline Vane was born to William Henry Vane 1st Duke Cleveland (age 28) and Catharine Margaret Powlett Countess Darlington (age 29). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

On 06 Jan 1788 Henry Vane 2nd Duke Cleveland was born to William Henry Vane 1st Duke Cleveland (age 21) and Catharine Margaret Powlett Countess Darlington (age 22). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

In 1807 Laura Vane was born to William Henry Vane 1st Duke Cleveland (age 40) and Catharine Margaret Powlett Countess Darlington (age 41). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.45%.

On 27 Jun 1829 Henry Bourchier Toke Wrey 10th Baronet was born to Henry Bourchier Wrey 9th Baronet (age 32) and Ellen Maria Toke (age 28). Coefficient of inbreeding 6.45%.

Eleanor Darcy Baroness Dunsany was born to William Darcy and Margaret St Lawrence. Coefficient of inbreeding 6.45%.

In 1912 Alexander Ferdinand Hohenzollern was born to August Wilhelm Hohenzollern (age 24) and Alexandra Viktoria Auguste Leopoldine Glücksburg (age 24). He a great x 2 grandson of Queen Victoria of the United Kingdom. Coefficient of inbreeding 6.43%.

Around 1172 Llewellyn "The Great" Aberffraw was born to Iorwerth "Drwyndwn aka Flat Nosed" Aberffraw (age 42) and Marared ferch Madog Mathrafal. Coefficient of inbreeding 6.40%.

On 25 Dec 1650 Philippe Carteret 2nd Baronet was born to Philippe Carteret 1st Baronet (age 30) and Anne Dumaresq Baroness Carteret (age 23) at St Ouen Jersey. Coefficient of inbreeding 6.37%.

On 23 Nov 1653 Elizabeth Carteret was born to Philippe Carteret 1st Baronet (age 33) and Anne Dumaresq Baroness Carteret (age 26). Coefficient of inbreeding 6.37%.

In 1428 Isabella Aviz Queen Consort Castile was born to Prince John Aviz Constable Portugal (age 27) and Isabella of Braganza (age 25). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 6.37%.

On 13 Jun 1430 Beatrice Aviz Duchess Viseu was born to Prince John Aviz Constable Portugal (age 30) and Isabella of Braganza (age 27). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 6.37%.

In 1432 Philipa Aviz was born to Prince John Aviz Constable Portugal (age 31) and Isabella of Braganza (age 29). He a great x 2 grandson of King Edward III of England. Coefficient of inbreeding 6.37%.

In 1425 Diogo Aviz was born to Prince John Aviz Constable Portugal (age 24) and Isabella of Braganza (age 22). He a great x 2 grandson of King Edward III of England. Coefficient of inbreeding 6.37%.

Around 1642 Henry O'Brien was born to Henry O'Brien 7th Earl Thomond (age 22) and Anne O'Brien Countess Thomond. Coefficient of inbreeding 6.36%.

On 16 Jul 1823 Charles Edward Petre was born to Charles Berney Petre (age 28) and Elizabeth Howard. Coefficient of inbreeding 6.36%.

Eilizabeth Cecile Sophia Norman was born to Reverend Frederick John Norman and Adeliza Elizabeth Gertrude Manners. Coefficient of inbreeding 6.36%.

On or before 13 Mar 1721 Major-General Robert Wrey was born to Bourchier Wrey 5th Baronet (age 39) and Diana Rolle (age 38). He was baptised at St Peter's Church, Tawstock [Map] on 13 Mar 1730. Coefficient of inbreeding 6.36%.

On 07 Jan 1714 Bourchier Wrey 6th Baronet was born to Bourchier Wrey 5th Baronet (age 32) and Diana Rolle (age 31). He was baptised on 13 Jan 1714 in Westminster. Coefficient of inbreeding 6.36%.

Elizabeth Lee was born to Francis Lee and Elizabeth Lee. She a great granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.35%.

After 1638 Mary Rich was born to Robert Rich 3rd Earl Warwick (age 26) and Anne Cheeke Countess Warwick (age 18). Coefficient of inbreeding 6.34%.

Around 1652 Essex Rich 2nd Countess Nottingham was born to Robert Rich 3rd Earl Warwick (age 40) and Anne Cheeke Countess Warwick (age 32). Coefficient of inbreeding 6.34%.

After 1638 Anne Rich was born to Robert Rich 3rd Earl Warwick (age 26) and Anne Cheeke Countess Warwick (age 18). Coefficient of inbreeding 6.34%.

Around 1675 William Douglas 2nd Baronet was born to James Douglas 1st Baronet (age 35) and Catherine Douglas Lady Kelhead. Coefficient of inbreeding 6.32%.

On 01 Jun 1804 Alexander Murray 6th Earl Dunmore was born to George Murray 5th Earl Dunmore (age 42) and Susan Hamilton Countess Dunmore (age 30). Coefficient of inbreeding 6.30%.

On 23 Jun 1926 Ian George Eden 9th Baron Auckland was born to Major Terence Eden 8th Baron Auckland (age 33) and Evelyn Vane Drummond of Cromlix Baroness Auckland (age 21). Coefficient of inbreeding 6.30%.

On 17 Feb 1721 Mary Stafford Howard was born to William Stafford-Howard 2nd Earl Stafford (age 31) and Anne Holman Countess Stafford. Coefficient of inbreeding 6.29%.

In 1722 Anatasia Stafford-Howard 6th Baroness Stafford was born to William Stafford-Howard 2nd Earl Stafford (age 32) and Anne Holman Countess Stafford. Coefficient of inbreeding 6.29%.

Anne Stafford Howard was born to William Stafford-Howard 2nd Earl Stafford and Anne Holman Countess Stafford. Coefficient of inbreeding 6.29%.

In 1718 William Mathias Stafford-Howard 3rd Earl Stafford was born to William Stafford-Howard 2nd Earl Stafford (age 28) and Anne Holman Countess Stafford. Coefficient of inbreeding 6.29%.

On 13 Jun 1767 Henry Murray was born to John Murray 3rd Duke Atholl (age 38) and Charlotte Murray Duchess Atholl (age 35). Coefficient of inbreeding 6.29%.

In 1769 Mary Murray was born to John Murray 3rd Duke Atholl (age 39) and Charlotte Murray Duchess Atholl (age 37). Coefficient of inbreeding 6.29%.

On 02 Aug 1754 Charlotte Murray was born to John Murray 3rd Duke Atholl (age 25) and Charlotte Murray Duchess Atholl (age 22). Coefficient of inbreeding 6.29%.

On 30 Sep 1755 John Murray 4th Duke Atholl was born to John Murray 3rd Duke Atholl (age 26) and Charlotte Murray Duchess Atholl (age 23). Coefficient of inbreeding 6.29%.

On 30 Jan 1761 Bishop George Murray was born to John Murray 3rd Duke Atholl (age 31) and Charlotte Murray Duchess Atholl (age 29). Coefficient of inbreeding 6.29%.

In 1762 William Murray was born to John Murray 3rd Duke Atholl (age 32) and Charlotte Murray Duchess Atholl (age 30). Coefficient of inbreeding 6.29%.

In 1763 Amelia Murray was born to John Murray 3rd Duke Atholl (age 33) and Charlotte Murray Duchess Atholl (age 31). Coefficient of inbreeding 6.29%.

In 1764 Jane Murray was born to John Murray 3rd Duke Atholl (age 34) and Charlotte Murray Duchess Atholl (age 32). Coefficient of inbreeding 6.29%.

On 21 Oct 1771 Charles Murray was born to John Murray 3rd Duke Atholl (age 42) and Charlotte Murray Duchess Atholl (age 40). Coefficient of inbreeding 6.29%.

On 07 Feb 1830 Dudley Henry Ryder was born to Granville Dudley Ryder (age 30) and Georgiana Augusta Somerset (age 29). Coefficient of inbreeding 6.28%.

On 07 Jul 1827 Susan Georgiana Ryder was born to Granville Dudley Ryder (age 27) and Georgiana Augusta Somerset (age 26). Coefficient of inbreeding 6.28%.

On 18 Jan 1863 Charles Hepburn-Stuart-Forbes-Trefusis 21st Baron Clinton was born to Charles Hepburn-Stuart-Forbes-Trefusis 20th Baron Clinton (age 28) and Harriet Williamina Hepburn-Forbes Baroness Clinton (age 28). Coefficient of inbreeding 6.28%.

Margaret Adela Hepburn-Stuart-Forbes-Trefusis was born to Charles Hepburn-Stuart-Forbes-Trefusis 20th Baron Clinton and Harriet Williamina Hepburn-Forbes Baroness Clinton. Coefficient of inbreeding 6.28%.

Ada Harriet Hepburn-Stuart-Forbes-Trefusis was born to Charles Hepburn-Stuart-Forbes-Trefusis 20th Baron Clinton and Harriet Williamina Hepburn-Forbes Baroness Clinton. Coefficient of inbreeding 6.28%.

Mary Elizabeth Hepburn-Stuart-Forbes-Trefusis was born to Charles Hepburn-Stuart-Forbes-Trefusis 20th Baron Clinton and Harriet Williamina Hepburn-Forbes Baroness Clinton. Coefficient of inbreeding 6.28%.

On 08 Dec 1864 Henry Walter Hepburn-Stuart-Forbes-Trefusis was born to Charles Hepburn-Stuart-Forbes-Trefusis 20th Baron Clinton (age 30) and Harriet Williamina Hepburn-Forbes Baroness Clinton (age 29). Coefficient of inbreeding 6.28%.

On 09 Mar 1803 Henry Lowry-Corry was born to Somerset Lowry-Corry 2nd Earl Belmore (age 28) and Juliana Butler Countess Belmore (age 19). Coefficient of inbreeding 6.27%.

On 28 Dec 1801 Armar Lowry-Corry 3rd Earl Belmore was born to Somerset Lowry-Corry 2nd Earl Belmore (age 27) and Juliana Butler Countess Belmore (age 18). Coefficient of inbreeding 6.27%.

On 16 Jul 1837 John Vesey Nugent was born to Patrick John Nugent (age 33) and Catherine Vesey. Coefficient of inbreeding 6.27%.

On 29 Aug 1787 Edward William Waldegrave was born to George Waldegrave 4th Earl Waldegrave (age 35) and Elizabeth Laura Waldegrave Countess Waldegrave (age 27). He a great x 3 grandson of King James II of England Scotland and Ireland. Coefficient of inbreeding 6.27%.

On 31 Jul 1785 John James Waldegrave 6th Earl Waldegrave was born to George Waldegrave 4th Earl Waldegrave (age 33) and Elizabeth Laura Waldegrave Countess Waldegrave (age 25). He a great x 3 grandson of King James II of England Scotland and Ireland. Coefficient of inbreeding 6.27%.

On 27 Oct 1788 William Waldegrave 8th Earl Waldegrave was born to George Waldegrave 4th Earl Waldegrave (age 36) and Elizabeth Laura Waldegrave Countess Waldegrave (age 28). He a great x 3 grandson of King James II of England Scotland and Ireland. Coefficient of inbreeding 6.27%.

In 1783 Maria Wilhelmina Waldegrave was born to George Waldegrave 4th Earl Waldegrave (age 31) and Elizabeth Laura Waldegrave Countess Waldegrave (age 22). She a great x 3 granddaughter of King James II of England Scotland and Ireland. Coefficient of inbreeding 6.27%.

On 13 Jul 1784 George Waldegrave 5th Earl Waldegrave was born to George Waldegrave 4th Earl Waldegrave (age 32) and Elizabeth Laura Waldegrave Countess Waldegrave (age 24). He a great x 3 grandson of King James II of England Scotland and Ireland. Coefficient of inbreeding 6.27%.

Robert Arbuthnot 2nd Viscount Arbuthnot was born to Robert Arbuthnot 1st Viscount Arbuthnott and Catherine Fraser Viscountess Arbuthnot. Coefficient of inbreeding 6.27%.

Around 1420 Andrew Stewart 1st Lord Avondale was born illegitimately to Walter Stewart (age 19) and Celestine Campbell at Avondale. Coefficient of inbreeding 6.27%.

In 1824 Alfred Spencer-Churchill was born to George Spencer-Churchill 6th Duke Marlborough (age 30) and Jane Stewart Duchess Marlborough (age 26). Coefficient of inbreeding 6.26%.

On 25 Jul 1825 Alan Spencer-Churchill was born to George Spencer-Churchill 6th Duke Marlborough (age 31) and Jane Stewart Duchess Marlborough (age 27). Coefficient of inbreeding 6.26%.

Around 1820 Louisa Spencer-Churchill was born to George Spencer-Churchill 6th Duke Marlborough (age 26) and Jane Stewart Duchess Marlborough (age 22). Coefficient of inbreeding 6.26%.

Elizabeth Sarah Smyth was born to John Henry Smyth and Elizabeth Anne Fitzroy. Coefficient of inbreeding 6.26%.

On 27 Jul 1690 Charles Tracy 5th Viscount Tracy was born to William Tracy 4th Viscount Tracy (age 33) and Jane Leigh Viscountess Tracy (age 25). Coefficient of inbreeding 6.26%.

On 08 Feb 1815 John George Smyth was born to John Henry Smyth (age 34) and Elizabeth Anne Fitzroy (age 27). Coefficient of inbreeding 6.26%.

In 1734 Frederick Evelyn 3rd Baronet was born to John Evelyn 2nd Baronet (age 27) and Mary Boscawen (age 28). He was probably named after Frederick Louis Hanover Prince of Wales (age 26) for whom his father was, at the time, Groom of the Bedchamber. Coefficient of inbreeding 6.26%.

In 1790 Diana Herbert Countess Normanton was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery (age 30) and Elisabeth Beauclerk (age 23). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%.

In 1793 Charles Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery (age 33) and Elisabeth Beauclerk (age 26). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%.

On 19 Sep 1791 Robert Henry Herbert 12th Earl Pembroke 9th Earl Montgomery was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery (age 32) and Elisabeth Beauclerk (age 25). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%.

In 1788 George Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery (age 28) and Elisabeth Beauclerk (age 21). He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%.

Robert Manners-Sutton was born to John Manners-Sutton and Anne Manners. Coefficient of inbreeding 6.26%.

In or before 1789 Mary Georgiana Manners-Sutton was born to John Manners-Sutton (age 36) and Anne Manners (age 37). Coefficient of inbreeding 6.26%.

In 1784 Frederick Manners-Sutton was born to John Manners-Sutton (age 32) and Anne Manners (age 32). Coefficient of inbreeding 6.26%.

George Manners-Sutton was born to John Manners-Sutton and Anne Manners. Coefficient of inbreeding 6.26%.

On 06 Aug 1795 Thomas Manners-Sutton was born to John Manners-Sutton (age 43) and Anne Manners (age 43). Coefficient of inbreeding 6.26%.

On 06 Jan 1830 William Brodrick 8th Viscount Midleton was born to William Brodrick (age 31) and Harriet Brodrick. Coefficient of inbreeding 6.26%.

On 01 Jan 1840 Alan Brodrick was born to William Brodrick (age 41) and Harriet Brodrick. Coefficient of inbreeding 6.26%.

In 1756 John Delaval was born to John Delaval 1st Baron Delaval (age 27) and Susanna Robinson Baroness Delaval (age 26). Coefficient of inbreeding 6.26%.

In 1755 Sophia Anne Delaval was born to John Delaval 1st Baron Delaval (age 26) and Susanna Robinson Baroness Delaval (age 25). Coefficient of inbreeding 6.26%.

In 1757 Elizabeth Delaval Baroness Audley was born to John Delaval 1st Baron Delaval (age 28) and Susanna Robinson Baroness Delaval (age 27). Coefficient of inbreeding 6.26%.

In 1763 Sarah Hussey Delaval Countess Tyrconnel was born to John Delaval 1st Baron Delaval (age 34) and Susanna Robinson Baroness Delaval (age 33). Coefficient of inbreeding 6.26%.

In 1759 Frances Delaval was born to John Delaval 1st Baron Delaval (age 30) and Susanna Robinson Baroness Delaval (age 29) at Seaton Delaval Hall [Map]. Coefficient of inbreeding 6.26%.

On 29 Mar 1856 Edward Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 31) and Wilhelmina Kennedy-Erskine (age 25). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 05 May 1876 Dorothea Augusta Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 51) and Wilhelmina Kennedy-Erskine (age 45). She a great granddaughter of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

Around 1678 Elizabeth Sheffield was born to Robert Sheffield of Kensington and Mary Fanshawe (age 42). Coefficient of inbreeding 6.25%.

On 10 Dec 1873 Lillian Adelaide Katherine Mary Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 49) and Wilhelmina Kennedy-Erskine (age 43). She a great granddaughter of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 30 Oct 1683 King George II of Great Britain and Ireland was born to King George I of Great Britain and Ireland (age 23) and Sophia Dorothea Hanover Queen Consort England (age 17) at Herrenhausen Palace, Hanover, Lower Saxony. Coefficient of inbreeding 6.25%.

On 12 Dec 1897 Tom Cecil Noel was born to Gerard Cecil Noel of Cottesmore (age 33) and Madeline Edith Clifton (age 30) at Ashwell, Rutlandshire. He was educated at Eton College [Map]. Coefficient of inbreeding 6.25%.

On 24 Jul 1857 Lionel Frederick Archibald Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 33) and Wilhelmina Kennedy-Erskine (age 27). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 17 Sep 1864 William George Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 40) and Wilhelmina Kennedy-Erskine (age 34). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 07 Jun 1862 Aubrey Fitzclarence 4th Earl Munster was born to William Fitzclarence 2nd Earl Munster (age 38) and Wilhelmina Kennedy-Erskine (age 31). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 18 Jul 1859 Geoffrey George Gordon Fitzclarence 3rd Earl Munster was born to William Fitzclarence 2nd Earl Munster (age 35) and Wilhelmina Kennedy-Erskine (age 29). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 18 Oct 1860 Arthur Falkland Manners Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 36) and Wilhelmina Kennedy-Erskine (age 30). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

On 15 Nov 1870 Harold Edward Fitzclarence was born to William Fitzclarence 2nd Earl Munster (age 46) and Wilhelmina Kennedy-Erskine (age 40). He a great grandson of King William IV of the United Kingdom. Coefficient of inbreeding 6.25%.

In 1869 Mildred Cecilia Sturt Lady Montagu was born to Henry Gerard Sturt 1st Baron Alington (age 43) and Augusta Bingham Baroness Alington (age 36). Coefficient of inbreeding 6.25%.

On 17 Mar 1868 Winifred Selina Sturt was born to Henry Gerard Sturt 1st Baron Alington (age 42) and Augusta Bingham Baroness Alington (age 36). Coefficient of inbreeding 6.25%.

On 20 Aug 1859 Humphrey Napier Sturt 2nd Baron Alington was born to Henry Gerard Sturt 1st Baron Alington (age 34) and Augusta Bingham Baroness Alington (age 27). Coefficient of inbreeding 6.25%.

On 24 Aug 1897 Reginald Walter Bagot 8th Baron Bagot was born to Charles Frederick Heneage Bagot (age 39) and Florence Eleanor Bagot. Coefficient of inbreeding 6.25%.

On 04 Feb 1894 Henry Eric Bagot 7th Baron Bagot was born to Charles Frederick Heneage Bagot (age 36) and Florence Eleanor Bagot. Coefficient of inbreeding 6.25%.

On 11 Nov 1756 Francis Henry Egerton 8th Earl Bridgewater was born to Bishop John Egerton (age 34) and Anne Sophia Grey. Coefficient of inbreeding 6.25%.

On 25 Nov 1751 Amelia Egerton was born to Bishop John Egerton (age 29) and Anne Sophia Grey. Coefficient of inbreeding 6.25%.

On 05 Jan 1818 Lawrence Palk 1st Baron Haldon was born to Lawrence Palk 3rd Baronet (age 24) and Anna Eleanora Wrey Lady Palk (age 28). Coefficient of inbreeding 6.25%.

On 05 Aug 1845 Charles Horatio Algernon Capell was born to Algernon Henry Capell (age 39) and Caroline Paget (age 34) Coefficient of inbreeding 6.25%.

On 02 Feb 1770 William Egerton was born to Philip Egerton of Oulton (age 32) and Mary Eyles-Styles (age 25). Coefficient of inbreeding 6.25%.

On 11 Jul 1766 John Grey Egerton 8th Baronet was born to Philip Egerton of Oulton (age 28) and Mary Eyles-Styles (age 21). He was born John Egerton. He adopted the name Grey when he succeeded to the Baronetcy in 1814. Coefficient of inbreeding 6.25%.

On 13 Dec 1842 Charles Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 38) and Elizabeth Howard Baroness Sherborne (age 39). Coefficient of inbreeding 6.25%.

On 09 Mar 1778 Rowland Egerton-Warburton was born to Philip Egerton of Oulton (age 40) and Mary Eyles-Styles (age 33). Coefficient of inbreeding 6.25%.

On 14 Dec 1780 Sybilla Ann Egerton was born to Philip Egerton of Oulton (age 42) and Mary Eyles-Styles (age 35). Coefficient of inbreeding 6.25%.

Elizabeth Egerton Lady Broughton was born to Philip Egerton of Oulton and Mary Eyles-Styles. Coefficient of inbreeding 6.25%.

On 04 Jul 1832 Wilbraham Tollemache 2nd Baron Tollemache was born to John Jervis Tollemache 1st Baron Tollemache (age 26) and Georgiana Louisa Best (age 23). Coefficient of inbreeding 6.25%.

In 1838 James Robert Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 33) and Elizabeth Howard Baroness Sherborne (age 35). Coefficient of inbreeding 6.25%.

On 06 Jul 1767 Philip Egerton 9th Baronet was born to Philip Egerton of Oulton (age 29) and Mary Eyles-Styles (age 22). Coefficient of inbreeding 6.25%.

In 1827 Elizabeth Esther Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 22) and Elizabeth Howard Baroness Sherborne (age 24). Coefficient of inbreeding 6.25%.

In 1828 John William Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 23) and Elizabeth Howard Baroness Sherborne (age 25). Coefficient of inbreeding 6.25%.

In 1836 Mary Laura Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 31) and Elizabeth Howard Baroness Sherborne (age 33). Coefficient of inbreeding 6.25%.

On 23 Apr 1831 Edward Lenox Dutton 4th Baron Sherborne was born to James Henry Legge Dutton 3rd Baron Sherborne (age 26) and Elizabeth Howard Baroness Sherborne (age 28). Coefficient of inbreeding 6.25%.

In 1844 Henry Thomas Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 39) and Elizabeth Howard Baroness Sherborne (age 41). Coefficient of inbreeding 6.25%.

In 1832 Julia Henrietta Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 27) and Elizabeth Howard Baroness Sherborne (age 29). Coefficient of inbreeding 6.25%.

In 1834 Emily Isabella Constance Dutton was born to James Henry Legge Dutton 3rd Baron Sherborne (age 29) and Elizabeth Howard Baroness Sherborne (age 31). Coefficient of inbreeding 6.25%.

On 28 May 1838 Lionel Tollemache was born to John Jervis Tollemache 1st Baron Tollemache (age 32) and Georgiana Louisa Best (age 29). Coefficient of inbreeding 6.25%.

Ellis Fitzgerald was born to Maurice Fitzgerald 9th Earl Desmond and Ellen Roche Countess Desmond. Coefficient of inbreeding 6.25%.

Joan Fitzgerald was born to Maurice Fitzgerald 9th Earl Desmond and Ellen Roche Countess Desmond. Coefficient of inbreeding 6.25%.

Around 1495 James Fitzgerald 10th Earl Desmond was born to Maurice Fitzgerald 9th Earl Desmond and Ellen Roche Countess Desmond (age 29). Coefficient of inbreeding 6.25%.

Around 1498 Thomas Fitzgerald was born to Maurice Fitzgerald 9th Earl Desmond and Ellen Roche Countess Desmond (age 32). Coefficient of inbreeding 6.25%.

On 12 Jun 1807 Charlotte Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 21) and Mary Dundas (age 20). Coefficient of inbreeding 6.25%.

On 27 Jan 1809 Margaret Bruce Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 22) and Mary Dundas (age 21). Coefficient of inbreeding 6.25%.

On 02 May 1810 Mary Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 23) and Mary Dundas (age 22). Coefficient of inbreeding 6.25%.

On 18 Jan 1812 William Charles Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 25) and Mary Dundas (age 24). Coefficient of inbreeding 6.25%.

On 22 Oct 1813 Frances Laura Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 27) and Mary Dundas (age 26). Coefficient of inbreeding 6.25%.

On 03 May 1817 George Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 30) and Mary Dundas (age 29). Coefficient of inbreeding 6.25%.

On 14 May 1819 Anne Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 33) and Mary Dundas (age 31). Coefficient of inbreeding 6.25%.

On 21 Dec 1864 Louisa Alexandra Williams-Wynn Lady Williams-Wynn was born to Watkin Williams-Wynn 6th Baronet (age 44) and Marie Emily Williams-Wynn Lady Williams-Wynn. Her godparents were Queen Louise Hesse-Kassel of Denmark (age 47), the Princess of Wales, and her uncle, Sir Hugh Williams (age 62). Coefficient of inbreeding 6.25%.

On 01 Apr 1822 Dorothy Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 35) and Mary Dundas (age 34). Coefficient of inbreeding 6.25%.

On 18 Sep 1826 Charles William Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 40) and Mary Dundas (age 39). Coefficient of inbreeding 6.25%.

On 18 Mar 1828 Son Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 41) and Mary Dundas (age 40). He died the same day. Coefficient of inbreeding 6.25%.

On 23 Oct 1868 Marie Nesta Williams-Wynn was born to Watkin Williams-Wynn 6th Baronet (age 48) and Marie Emily Williams-Wynn Lady Williams-Wynn. Coefficient of inbreeding 6.25%.

On 18 Sep 1823 John Wentworth-Fitzwilliam was born to Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam (age 37) and Mary Dundas (age 36). Coefficient of inbreeding 6.25%.

On 03 Sep 1392 Filipo Maria Visconti was born to Gian Galeazzo Visconti 1st Duke Milan (age 40) and Caterina Visconti Duke Milan (age 31). Coefficient of inbreeding 6.25%.

Benjamin Bathurst was born to Allen Bathurst 1st Earl Bathurst and Catherine Apsley Countess Bathurst Sussex. Coefficient of inbreeding 6.25%.

In 1852 Henrietta Louisa Horatia St John-Mildmay was born to Edmund Henry Mildmay (age 37) and Augusta Jane St John-Mildmay. Coefficient of inbreeding 6.25%.

On 18 Nov 1835 Emma Harriet Wilson 12th Baroness Berners was born to Reverend Robert Wilson (age 34) and Harriet Crump. Coefficient of inbreeding 6.25%.

On 20 May 1714 Henry Bathurst 2nd Earl Bathurst was born to Allen Bathurst 1st Earl Bathurst (age 29) and Catherine Apsley Countess Bathurst Sussex. Coefficient of inbreeding 6.25%.

Mary Dickinson Viscountess Clifden was born to Francis Henry Dickinson and Caroline Carey. Coefficient of inbreeding 6.25%.

Jane Bathurst was born to Allen Bathurst 1st Earl Bathurst and Catherine Apsley Countess Bathurst Sussex. Coefficient of inbreeding 6.25%.

On 24 Jun 1777 Mary Chester Countess of Liverpool was born to Charles Bagot aka Chester (age 46) and Catherine Legge (age 36). Coefficient of inbreeding 6.25%.

On 27 Jul 1775 Reverend William Chester was born to Charles Bagot aka Chester (age 44) and Catherine Legge (age 34). Coefficient of inbreeding 6.25%.

On 02 Jul 1789 Other Archer Windsor 6th Earl Plymouth was born to Other Windsor 5th Earl Plymouth (age 38) and Sarah Archer Countess Plymouth and Amherst (age 27). Coefficient of inbreeding 6.25%.

In 1790 Maria Windsor Marchioness Downshire was born to Other Windsor 5th Earl Plymouth (age 38) and Sarah Archer Countess Plymouth and Amherst (age 28). Coefficient of inbreeding 6.25%.

In 1460 Lewis Bagot was born to John Bagot (age 24) and Isabella Curzon (age 24). Coefficient of inbreeding 6.25%.

On 30 Jul 1797 Harriet Windsor was born to Other Windsor 5th Earl Plymouth (age 46) and Sarah Archer Countess Plymouth and Amherst (age 35). Coefficient of inbreeding 6.25%.

On 18 Jun 1850 Constance Emily Reynolds-Moreton was born to Henry Reynolds-Moreton 3rd Earl of Ducie (age 22) and Julia Langston Countess Ducie (age 20). Coefficient of inbreeding 6.25%.

On 04 Mar 1857 Henry Haughton Reynolds-Moreton was born to Henry Reynolds-Moreton 3rd Earl of Ducie (age 29) and Julia Langston Countess Ducie (age 27). Coefficient of inbreeding 6.25%.

In 1643 Nicholas Crispe 2nd Baronet was born to Ellis Crispe (age 24) and Anne Strode. Coefficient of inbreeding 6.25%.

William Cunnington was born to William Cunnington and Elizabeth Cunnington. Coefficient of inbreeding 6.25%.

Around 1820 Henry Cunnington was born to William Cunnington (age 29) and Elizabeth Cunnington. Coefficient of inbreeding 6.25%.

On 08 Nov 1707 Bridget Phelips was born to Edward Phelips (age 29) and Anne Phelips (age 20). Coefficient of inbreeding 6.25%.

On 23 Jul 1877 Geoffrey Duke Coleridge 3rd Baron Coleridge was born to Bernard Coleridge 2nd Baron Coleridge (age 25) and Mary Alethea Mackarness Baroness Coleridge. Coefficient of inbreeding 6.25%.

On 12 Sep 1839 Windsor Charles Cary Elwes was born to George Cary Elwes (age 33) and Arabella Elizabeth Sophia Heneage. Coefficient of inbreeding 6.25%.

On 09 Oct 1848 Edward Royds was born to Reverend Edward Royds (age 27) and Anne Mary Littledale (age 28). He was baptised at St Oswald's Church, Brereton [Map] on 14 Nov 1847. Coefficient of inbreeding 6.25%.

On 27 Mar 1849 Amy Royds was born to Reverend Edward Royds (age 28) and Anne Mary Littledale (age 28). She was baptised at St Oswald's Church, Brereton [Map] on 29 Apr 1849. Coefficient of inbreeding 6.25%.

On 11 Apr 1850 Reverend Alfred Royds was born to Reverend Edward Royds (age 29) and Anne Mary Littledale (age 29). He was baptised at St Oswald's Church, Brereton [Map] on 10 Nov 1850. Coefficient of inbreeding 6.25%.

On 15 Feb 1852 Mary Emily Royds was born to Reverend Edward Royds (age 31) and Anne Mary Littledale (age 31). She was baptised at St Oswald's Church, Brereton [Map] on 04 Apr 1852. Coefficient of inbreeding 6.25%.

On 03 Jun 1816 Walter Charles James 1st Baron Northbourne was born to John James and Emily Jane Stewart Viscountess Hardinge (age 27). Coefficient of inbreeding 6.25%.

Alice Charlotte Arabin was born to Richard Arabin and Elizabeth Mary Meux. Coefficient of inbreeding 6.25%.

On 06 May 1825 Charlotte de Rothschild was born to Jacob "James" Mayer de Rothschild (age 32) and Betty von Rothschild (age 19). Coefficient of inbreeding 6.25%.

On 01 Feb 1827 Mayer Alphonse James Rothschild was born to Jacob "James" Mayer de Rothschild (age 34) and Betty von Rothschild (age 21). Coefficient of inbreeding 6.25%.

On 17 Feb 1829 Gustave Samuel de Rothschild was born to Jacob "James" Mayer de Rothschild (age 36) and Betty von Rothschild (age 23). Coefficient of inbreeding 6.25%.

On 30 Mar 1835 Salomon James de Rothschild was born to Jacob "James" Mayer de Rothschild (age 42) and Betty von Rothschild (age 29). Coefficient of inbreeding 6.25%.

On 15 Jan 1914 FitzWalter Brook Plumptre 21st Baron FitzWalter was born to George Beresford Plumptre (age 44) and Mary Augusta Plumptre (age 40). Coefficient of inbreeding 6.25%.

On 03 Sep 1763 Reverend John Molesworth was born to John Molesworth 5th Baronet (age 34) and Barbara St Aubyn Lady Molesworth (age 33). Coefficient of inbreeding 6.25%.

On 24 Jun 1844 Emily Harriet Labouchere Countess St Germans was born to Henry Labouchere 1st Baron Taunton (age 45) and Frances Baring (age 31). Coefficient of inbreeding 6.25%.

On 21 Dec 1852 Mary Louisa Napoleona Manners Tollemache was born to William Tollemache (age 32) and Katherine Elizabeth Camilla Burke (age 32). Coefficient of inbreeding 6.25%.

On 27 Jun 1855 Agnes Mary Manners Tollemache was born to William Tollemache (age 34) and Katherine Elizabeth Camilla Burke (age 35). Coefficient of inbreeding 6.25%.

On 16 Jan 1857 Agatha Manners Tollemache Baroness Westbury was born to William Tollemache (age 36) and Katherine Elizabeth Camilla Burke (age 37). Coefficient of inbreeding 6.25%.

On 03 Mar 1859 William Tolemache 9th Earl Dysart was born to William Tollemache (age 38) and Katherine Elizabeth Camilla Burke (age 39). Coefficient of inbreeding 6.25%.

On 15 Jan 1854 Lyonel Felix Carteret Eugene Tollemache 4th Baronet was born to Ralph Tollemache (age 27) and Caroline Tollemache (age 25). Coefficient of inbreeding 6.25%.

On 29 Jun 1751 Elizabeth Parker was born to Thomas Parker 3rd Earl Macclesfield (age 27) and Mary Heathcote Countess Macclesfield. Coefficient of inbreeding 6.25%.

On 24 Feb 1755 George Parker 4th Earl Macclesfield was born to Thomas Parker 3rd Earl Macclesfield (age 31) and Mary Heathcote Countess Macclesfield. Coefficient of inbreeding 6.25%.

Jessy Brooke was born to Richard Brooke 6th Baronet and Harriet Cunliffe Lady Brooke. Coefficient of inbreeding 6.25%.

Around 1491 Alexander Kennedy of Bargany was born to Thomas Kennedy 3rd of Bargany (age 30) and Katherine Kennedy (age 21). Coefficient of inbreeding 6.25%.

In 1810 Mary Brooke was born to Richard Brooke 6th Baronet (age 24) and Harriet Cunliffe Lady Brooke. Coefficient of inbreeding 6.25%.

Mina Francis Labouchere was born to Henry Labouchere 1st Baron Taunton and Frances Baring. Coefficient of inbreeding 6.25%.

Mary Dorothy Labouchere was born to Henry Labouchere 1st Baron Taunton and Frances Baring. Coefficient of inbreeding 6.25%.

On 31 Aug 1850 John Stephen Barrington Simeon 4th Baronet was born to John Simeon 3rd Baronet (age 35) and Jane Maria Baker Lady Simeon. Coefficient of inbreeding 6.25%.

On 11 Dec 1855 Edmund Charles Simeon 5th Baronet was born to John Simeon 3rd Baronet (age 40) and Jane Maria Baker Lady Simeon. Coefficient of inbreeding 6.25%.

Alcmene was born to Electryon and Anaxo. Some accounts say her mother was Lysidice. some say Eurydice. Coefficient of inbreeding 6.25%.

On 15 Oct 1396 John IV Count Armagnac was born to Bernard VII Count Armagnac (age 33) and Bonne Valois Countess Armagnac and Savoy (age 31). Coefficient of inbreeding 6.25%.

In 1402 Anne Armagnac was born to Bernard VII Count Armagnac (age 39) and Bonne Valois Countess Armagnac and Savoy (age 37). Coefficient of inbreeding 6.25%.

On 19 Sep 1399 Bonne Armagnac Duchess Orléans was born to Bernard VII Count Armagnac (age 36) and Bonne Valois Countess Armagnac and Savoy (age 34). Coefficient of inbreeding 6.25%.

On 13 Dec 1814 Richard Brooke 7th Baronet was born to Richard Brooke 6th Baronet (age 29) and Harriet Cunliffe Lady Brooke. Coefficient of inbreeding 6.25%.

In 1762 Augusta Barbara Charlotte Byron was born to Vice admiral John "Foulweather Jack" Byron (age 38) and Sophia Trevannion (age 33). Coefficient of inbreeding 6.25%.

On 24 Jul 1801 Ferdinand Dalberg-Acton 7th Baronet was born to John Acton 6th Baronet (age 65) and Mary-Ann Acton Lady Acton (age 19). Coefficient of inbreeding 6.25%.

Juliana Elizabeth Byron was born to Vice admiral John "Foulweather Jack" Byron and Sophia Trevannion. Coefficient of inbreeding 6.25%.

On 07 Feb 1756 John "Mad Jack" Byron was born to Vice admiral John "Foulweather Jack" Byron (age 32) and Sophia Trevannion (age 27). Coefficient of inbreeding 6.25%.

On 07 Feb 1756 George Anson Byron was born to Vice admiral John "Foulweather Jack" Byron (age 32) and Sophia Trevannion (age 27). Coefficient of inbreeding 6.25%.

In 1838 Emily Frances Cadogan was born to Henry Cadogan 4th Earl Cadogan (age 25) and Mary Sarah Wellesley Countess Cadogan (age 29). Coefficient of inbreeding 6.25%.

On 12 May 1840 George Cadogan 5th Earl Cadogan was born to Henry Cadogan 4th Earl Cadogan (age 28) and Mary Sarah Wellesley Countess Cadogan (age 31). Coefficient of inbreeding 6.25%.

On 23 Jun 1841 Arthur Charles Lewin Cadogan was born to Henry Cadogan 4th Earl Cadogan (age 29) and Mary Sarah Wellesley Countess Cadogan (age 32). Coefficient of inbreeding 6.25%.

On 08 Jan 1849 Henry Monck 5th Viscount Monck was born to Charles Stanley Monck 4th Viscount Monck (age 29) and Elizabeth Louise Mary Monck. Coefficient of inbreeding 6.25%.

Diana Hotham was born to General George Hotham and Diana Pennyman. Coefficient of inbreeding 6.25%.

Around 1712 John Gage 4th Baronet was born to Thomas Gage and Delariviere D'Ewes. Coefficient of inbreeding 6.25%.

Around 1710 Thomas Gage 3rd Baronet was born to Thomas Gage and Delariviere D'Ewes. Coefficient of inbreeding 6.25%.

Around 1695 Thomas Foley was born to Thomas Foley (age 25) and Anne Knightley (age 24). Coefficient of inbreeding 6.25%.

Anne Foley was born to Thomas Foley and Anne Knightley. Coefficient of inbreeding 6.25%.

On 06 Jan 1870 Captain Ralph Nevile Fane was born to Francis Augustus Fane (age 45) and Augusta Fane (age 38). Coefficient of inbreeding 6.25%.

On 25 Sep 1856 Captain Cecil Stratford Paget was born to General George Augustus Frederick Paget (age 38) and Agnes Charlotte Paget. Coefficient of inbreeding 6.25%.

On 30 Jan 1869 Rachel Louisa Fane was born to Francis Augustus Fane (age 44) and Augusta Fane (age 37). Coefficient of inbreeding 6.25%.

On 29 Dec 1863 Lieutenant Mildmay Edward Fane was born to Francis Augustus Fane (age 38) and Augusta Fane (age 32) at Malta. Coefficient of inbreeding 6.25%.

Charlotte Louisa Emily Cadogan was born to Frederick William Cadogan and Adelaide Paget. Coefficient of inbreeding 6.25%.

In 1806 Elizabeth Acton Lady Throckmorton was born to John Acton 6th Baronet (age 69) and Mary-Ann Acton Lady Acton (age 24). Coefficient of inbreeding 6.25%.