Biography of Isabella Fitzroy Countess Hertford 1726-1782
Paternal Family Tree: Stewart
Maternal Family Tree: Rebecca Child Marchioness Worcester 1666-1712
On 09 Oct 1690 [her grandfather] Henry Fitzroy 1st Duke Grafton (age 27) was killed at Cork [Map] during the Storming of Cork. His son [her father] Charles Fitzroy 2nd Duke Grafton (age 6) succeeded 2nd Duke Grafton, 2nd Earl Euston, 2nd Viscount Ipswich, 2nd Baron Sudbury.
On 30 Apr 1713 [her father] Charles Fitzroy 2nd Duke Grafton (age 29) and [her mother] Henrietta Somerset Duchess Grafton (age 22) were married. She by marriage Duchess Grafton. He the son of Henry Fitzroy 1st Duke Grafton and Isabella Bennet Duchess Grafton (age 45). He a grandson of King Charles II of England Scotland and Ireland. 
On 07 Feb 1723 [her grandmother] Isabella Bennet Duchess Grafton (age 55) died. Her son [her father] Charles Fitzroy 2nd Duke Grafton (age 39) succeeded 3rd Earl Arlington, 3rd Viscount Thetford, 3rd Baron Arlington of Arlington in Middlesex and 3rd Baron Arlington of Arlington in Middlesex.
On or before 09 Aug 1726 Isabella Fitzroy Countess Hertford was born to Charles Fitzroy 2nd Duke Grafton (age 42) and Henrietta Somerset Duchess Grafton (age 35). He mother died on 09 Aug 1726. She a great granddaughter of King Charles II of England Scotland and Ireland.
On 09 Aug 1726 [her mother] Henrietta Somerset Duchess Grafton (age 35) died.
On 03 Feb 1732 Francis Seymour-Conway 1st Baron Conway (age 52) died at Lisburn, Antrim. His son [her future husband] Francis Seymour-Conway 1st Marquess Hertford (age 13) succeeded 2nd Baron Conway of Ragley in Warwickshire, 2nd Baron Conway of Killultagh in Antrim.
On 29 May 1741 Francis Seymour-Conway 1st Marquess Hertford (age 22) and Isabella Fitzroy Countess Hertford (age 14) were married. She the daughter of Charles Fitzroy 2nd Duke Grafton (age 57) and Henrietta Somerset Duchess Grafton. She a great granddaughter of King Charles II of England Scotland and Ireland.
On 12 Feb 1743 [her son] Francis Ingram Seymour-Conway 2nd Marquess Hertford was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 24) and Isabella Fitzroy Countess Hertford (age 16). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 01 Aug 1744 [her daughter] Anne Seymour-Conway Marchioness Drogheda was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 26) and Isabella Fitzroy Countess Hertford (age 17). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
On 15 Dec 1746 [her son] Henry Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 28) and Isabella Fitzroy Countess Hertford (age 20). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 27 Sep 1747 [her daughter] Sarah Frances Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 29) and Isabella Fitzroy Countess Hertford (age 21). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
On 19 Dec 1747 [her brother-in-law] Field Marshal Henry Seymour-Conway (age 26) and Caroline Campbell Countess Elgin and Ailesbury (age 26) were married. She the daughter of John Campbell 4th Duke Argyll (age 54) and Mary Drummond Bellenden.
On 20 Jan 1748 [her son] Robert Seymour was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 29) and Isabella Fitzroy Countess Hertford (age 21). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 05 May 1749 [her sister-in-law] Jane Seymour-Conway died.
In Aug 1750 [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 32) was created 1st Earl Hertford, 1st Viscount Beauchamp. Isabella Fitzroy Countess Hertford (age 23) by marriage Countess Hertford.
On 09 Oct 1750 [her daughter] Gertrude Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 32) and Isabella Fitzroy Countess Hertford (age 24). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
In 1752 [her son] Edward Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 33) and Isabella Fitzroy Countess Hertford (age 25). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
In 1754 [her daughter] Elizabeth Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 35) and Isabella Fitzroy Countess Hertford (age 27). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
On 25 Dec 1755 [her daughter] Isabella Rachel Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 37) and Isabella Fitzroy Countess Hertford (age 29). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
On 06 May 1757 [her father] Charles Fitzroy 2nd Duke Grafton (age 73) died. His grandson Augustus Henry Fitzroy 3rd Duke Grafton (age 21) succeeded 3rd Duke Grafton, 3rd Earl Euston, 3rd Viscount Ipswich, 3rd Baron Sudbury, 4th Earl Arlington, 4th Viscount Thetford, 4th Baron Arlington of Arlington in Middlesex and 4th Baron Arlington of Arlington in Middlesex. Anne Liddell Duchess Grafton (age 20) by marriage Duchess Grafton.
On 28 Apr 1759 [her son] William Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 40) and Isabella Fitzroy Countess Hertford (age 32). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 29 Apr 1759 [her son] Hugh Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 40) and Isabella Fitzroy Countess Hertford (age 32). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 21 Jul 1763 [her son] George Seymour-Conway was born to [her husband] Francis Seymour-Conway 1st Marquess Hertford (age 45) and Isabella Fitzroy Countess Hertford (age 36). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
1765. Alexander Roslin (age 46). Portrait of Isabella Fitzroy Countess Hertford (age 38).
On 15 Feb 1766 [her son-in-law] Charles Moore 1st Marquess Drogheda (age 35) and [her daughter] Anne Seymour-Conway Marchioness Drogheda (age 21) were married. She the daughter of Francis Seymour-Conway 1st Marquess Hertford (age 47) and Isabella Fitzroy Countess Hertford (age 39). He the son of Edward Moore 5th Earl Drogheda and Sarah Ponsonby. She a great x 2 granddaughter of King Charles II of England Scotland and Ireland. 
On 04 Feb 1768 [her son] Francis Ingram Seymour-Conway 2nd Marquess Hertford (age 24) and [her daughter-in-law] Alice Elizabeth Windsor (age 18) were married. He the son of Francis Seymour-Conway 1st Marquess Hertford (age 49) and Isabella Fitzroy Countess Hertford (age 41). He a great x 2 grandson of King Charles II of England Scotland and Ireland.
Before 1769 [her son-in-law] Robert Stewart 1st Marquess Londonderry (age 29) and [her daughter] Sarah Frances Seymour-Conway (age 21) were married. She the daughter of Francis Seymour-Conway 1st Marquess Hertford (age 50) and Isabella Fitzroy Countess Hertford (age 42). She a great x 2 granddaughter of King Charles II of England Scotland and Ireland. 
On 20 Jul 1770 [her daughter] Sarah Frances Seymour-Conway (age 22) died.
On 10 May 1771 [her sister-in-law] Henrietta Seymour-Conway (age 65) died.
On 10 Feb 1772 [her son-in-law] George Mason Villiers 2nd Earl Grandison (age 20) and [her daughter] Gertrude Seymour-Conway (age 21) were married. She the daughter of Francis Seymour-Conway 1st Marquess Hertford (age 53) and Isabella Fitzroy Countess Hertford (age 45). He the son of Alan Mason Viscount Grandison and Elizabeth Fitzgerald Villiers 1st Countess Grandison. She a great x 2 granddaughter of King Charles II of England Scotland and Ireland. 
On 24 Mar 1774 [her sister-in-law] Anne Seymour-Conway died.
On 21 May 1775 [her son-in-law] Henry Fiennes Pelham-Clinton (age 24) and [her daughter] Frances Seymour-Conway were married. She the daughter of Francis Seymour-Conway 1st Marquess Hertford (age 56) and Isabella Fitzroy Countess Hertford (age 48). He the son of Henry Fiennes Pelham-Clinton 2nd Duke Newcastle-under-Lyme (age 55) and Catherine Pelham Duchess Newcastle under Lyne. She a great x 2 granddaughter of King Charles II of England Scotland and Ireland. 
On 20 May 1776 [her son] Francis Ingram Seymour-Conway 2nd Marquess Hertford (age 33) and [her daughter-in-law] Isabella Anne Ingram Marchioness Hertford (age 16) were married. He the son of Francis Seymour-Conway 1st Marquess Hertford (age 57) and Isabella Fitzroy Countess Hertford (age 49). He a great x 2 grandson of King Charles II of England Scotland and Ireland. 
On 10 Nov 1782 Isabella Fitzroy Countess Hertford (age 56) died.
On 14 Jun 1794 [her former husband] Francis Seymour-Conway 1st Marquess Hertford (age 75) died. His son [her son] Francis Ingram Seymour-Conway 2nd Marquess Hertford (age 51) succeeded 2nd Marquess Hertford, 2nd Earl Hertford, 2nd Earl of Yarmouth, 2nd Viscount Beauchamp, 3rd Baron Conway of Ragley in Warwickshire, 3rd Baron Conway of Killultagh in Antrim. [her daughter-in-law] Isabella Anne Ingram Marchioness Hertford (age 35) by marriage Marchioness Hertford. The estate was worth £70000 a year, and included Ragley Hall Alcester, Sudbourne Hall, Sudbourne and estates in Ireland.
[her daughter] Frances Seymour-Conway was born to Francis Seymour-Conway 1st Marquess Hertford and Isabella Fitzroy Countess Hertford. She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.
Church of the Holy Trinity Arrow [Map]. Wall Plaque text as follows ... In a Vault under this Chancel are interred the remains of the following members of the Seymour Conway Family ...
Frances Popham Viscountess Conway.
Elizabeth Booth Countess Conway.
Edward Conway 1st Earl Conway.
Francis Seymour-Conway 1st Baron Conway.
Isabella Fitzroy Countess Hertford.
[her son] Edward Seymour-Conway.
Francis Seymour-Conway 1st Marquess Hertford.
Field Marshal Henry Seymour-Conway.
[her son] Francis Ingram Seymour-Conway 2nd Marquess Hertford.
Francis Charles Seymour-Conway 3rd Marquess Hertford.
This tablet was erected by Francis George Hugh Seymour-Conway 5th Marquess Hertford.
Kings Wessex: Great x 20 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 17 Grand Daughter of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 23 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 18 Grand Daughter of Maredudd ap Bleddyn King Powys
Kings England: Great Grand Daughter of King Charles II of England Scotland and Ireland
Kings Scotland: Great x 13 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 16 Grand Daughter of Louis VII King Franks
Kings France: Great x 3 Grand Daughter of Henry IV King France
Great x 4 Grandfather: Henry "Lord Darnley" Stewart
Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: King James I of England and Ireland and VI of Scotland 2 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Mary Queen of Scots
Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandfather: King Charles I of England, Scotland and Ireland
Son of King James I of England and Ireland and VI of Scotland
Great x 4 Grandfather: Frederick II King Denmark
11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anne of Denmark Queen Consort Scotland England and Ireland 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Sophie Mecklenburg-Schwerin Queen Consort Denmark 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: King Charles II of England Scotland and Ireland Son of King Charles I of England, Scotland and Ireland
Great x 4 Grandfather: Antoine King Navarre
6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Henry IV King France 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Jeanne Albret III Queen Navarre 8 x Great Grand Daughter of King Henry III of England
Great x 2 Grandmother: Henrietta Maria Bourbon Queen Consort England 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Francesco I de Medici Grand Duke of Tuscany
Great x 3 Grandmother: Marie de Medici Queen Consort France 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Joanna of Austria Grand Duchess Tuscany 5 x Great Grand Daughter of King Edward III of England
GrandFather: Henry Fitzroy 1st Duke Grafton Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: George Villiers of Brokesby
Great x 3 Grandfather: Edward Villiers
Great x 4 Grandmother: Audrey Saunders
Great x 2 Grandfather: William Villiers 2nd Viscount Grandison 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John St John
7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Barbara St John 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Lucy Hungerford
11 x Great Grand Daughter of King Henry III of England
Great x 1 Grandmother: Barbara Villiers 1st Duchess of Cleveland 10 x Great Grand Daughter of King Edward III of England
Great x 3 Grandfather: Paul Bayning 1st Viscount Bayning
Great x 2 Grandmother: Mary Bayning Countess Anglesey 11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Henry Glemham
Great x 3 Grandmother: Anne Glemham Viscountess Bayning 10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Anne Sackville
9 x Great Grand Daughter of King Edward "Longshanks" I of England
Father: Charles Fitzroy 2nd Duke Grafton Grand Son of King Charles II of England Scotland and Ireland
Great x 2 Grandfather: John Bennet
Great x 1 Grandfather: Henry Bennet 1st Earl Arlington 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Crofts
Great x 3 Grandfather: John Crofts 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Susannah Crofts 7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Dorothy Crofts 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Thomas Shirley
14 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Mary Shirley 10 x Great Grand Daughter of King Henry III of England
Great x 4 Grandmother: Anne Kempe 9 x Great Grand Daughter of King Henry III of England
GrandMother: Isabella Bennet Duchess Grafton 11 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: William "The Silent" Orange Nassau I Prince Orange
Great x 3 Grandfather: Prince Maurice I of Orange 12 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Anna of Saxony 11 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Louis Nassau Beverweert 13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Margaretha van Mechelen
Great x 1 Grandmother: Elisabeth Nassau Beverweert Countess Arlington 14 x Great Grand Daughter of King Henry "Curtmantle" II of England
Isabella Fitzroy Countess Hertford Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Edward Somerset 4th Earl of Worcester 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Henry Somerset 1st Marquess Worcester 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Hastings Countess of Worcester
6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Edward Somerset 2nd Marquess Worcester 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Russell
9 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandmother: Anne Russell 2nd Marchioness Worcester 10 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Elizabeth Cooke 11 x Great Grand Daughter of King John "Lackland" of England
Great x 1 Grandfather: Henry Somerset 1st Duke Beaufort 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Dormer
7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Robert Dormer 1st Earl Carnarvon 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Alice Molyneux
10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Elizabeth Dormer 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Philip Herbert 4th Earl Pembroke 1st Earl Montgomery
7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Sophia Herbert Countess Carnarvon 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Susan Vere Countess Montgomery
8 x Great Grand Daughter of King Edward "Longshanks" I of England
GrandFather: Charles Somerset Marquess Worcester 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Arthur Capell 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Henry Capell 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Margaret Grey
6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Arthur Capell 1st Baron Capell Hadham 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Edward Montagu
8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Theodosia Montagu 9 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Elizabeth Harrington
Great x 1 Grandmother: Mary Capell Duchess Beaufort 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Charles Morrison
6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Charles Morrison 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Dorothea Clerke
Great x 2 Grandmother: Elizabeth Morrison Baroness Capell Hadham 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Baptist Hicks 1st Viscount Campden
Great x 3 Grandmother: Mary Hicks Lady Cooper
Great x 4 Grandmother: Elizabeth May Viscountess Campden
Mother: Henrietta Somerset Duchess Grafton 11 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Richard Child
Great x 1 Grandfather: Josiah Child
Great x 2 Grandmother: Elizabeth Roycroft
GrandMother: Rebecca Child Marchioness Worcester