In 1769 [her father] William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork (age 24) and [her mother] (age 20) were married.
On 04 Mar 1776 Mary Elizabeth Ponsonby Countess Grey was born to William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork (age 31) and (age 27) in Whitehaven, Cumberland.
On 26 Dec 1787 Samuel Charles Whitbread (age 23) and [her future sister-in-law] Elizabeth Grey were married. See Marriage of Two Sets of Siblings. She the daughter of Charles Grey 1st Earl Grey (age 58) and (age 43).
On 18 Nov 1794 Charles Grey 2nd Earl Grey (age 30) and Mary Elizabeth Ponsonby Countess Grey (age 18) were married. She the daughter of William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork (age 50) and (age 45). He the son of Charles Grey 1st Earl Grey (age 65) and (age 50).
On 18 Jun 1795 [her brother-in-law] George Grey 1st Baronet (age 27) and Mary Whitbread Lady Grey (age 25) were married. Her brother Samuel (age 31) had married her husband George's sister [her sister-in-law] Elizabeth six years earlier. See Marriage of Two Sets of Siblings. He the son of Charles Grey 1st Earl Grey (age 65) and (age 51).
In 1796 [her daughter] Stillborn Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 31) and Mary Elizabeth Ponsonby Countess Grey (age 19).
On 07 Apr 1797 [her daughter] Louisa Elizabeth Grey Countess Durham 1797-1841 was born to [her husband] Charles Grey 2nd Earl Grey (age 33) and Mary Elizabeth Ponsonby Countess Grey (age 21).
On 10 Jul 1798 [her daughter] Elizabeth Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 34) and Mary Elizabeth Ponsonby Countess Grey (age 22).
On 30 Aug 1799 [her daughter] Caroline Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 35) and Mary Elizabeth Ponsonby Countess Grey (age 23).
On 17 Feb 1801 [her daughter] Georgiana Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 36) and Mary Elizabeth Ponsonby Countess Grey (age 24).
On 28 Dec 1802 [her son] Henry George Grey 3rd Earl Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 38) and Mary Elizabeth Ponsonby Countess Grey (age 26).
On 15 Mar 1804 [her son] Charles Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 40) and Mary Elizabeth Ponsonby Countess Grey (age 28).
On 07 May 1805 [her brother-in-law] Lieutenant-Colonel William Grey (age 28) and Maria Shirreff (age 23) were married. He the son of Charles Grey 1st Earl Grey (age 75) and (age 61).
On 23 Aug 1805 [her son] Admiral Frederick William Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 41) and Mary Elizabeth Ponsonby Countess Grey (age 29).
On 13 Mar 1806 [her father] William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork (age 61) was created 1st Baron Ponsonby of Imokilly in County Cork. [her mother] (age 57) by marriage Baroness Ponsonby of Imokilly in County Cork.
On 05 Nov 1806 [her father] William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork (age 62) died. His son [her brother] John Ponsonby 1st Viscount Ponsonby (age 36) succeeded 2nd Baron Ponsonby of Imokilly in County Cork. Frances Elizabeth Villiers Viscountess Ponsonby (age 20) by marriage Baroness Ponsonby of Imokilly in County Cork.
On 02 Mar 1807 [her daughter] Mary Grey Viscountess Halifax was born to [her husband] Charles Grey 2nd Earl Grey (age 42) and Mary Elizabeth Ponsonby Countess Grey (age 30).
On 14 Nov 1807 [her father-in-law] Charles Grey 1st Earl Grey (age 78) died. His son [her husband] Charles Grey 2nd Earl Grey (age 43) succeeded 2nd Earl Grey, 2nd Viscount Grey of Howick in Northumberland, 2nd Baron Grey of Howick in Northumberland. Mary Elizabeth Ponsonby Countess Grey (age 31) by marriage Countess Grey.
In 1808 Henry Grey 2nd Baronet (age 86) died. His nephew [her husband] Charles Grey 2nd Earl Grey (age 43) succeeded 3rd Baronet Grey of Howick in Northumberland.
On 13 May 1808 [her son] William Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 44) and Mary Elizabeth Ponsonby Countess Grey (age 32).
On 16 May 1809 [her son] Admiral George Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 45) and Mary Elizabeth Ponsonby Countess Grey (age 33).
On 30 Oct 1809 Edward Ellice (age 26) and [her sister-in-law] Hannah Althea Grey (age 24) were married. She the daughter of Charles Grey 1st Earl Grey and (age 65).
On 29 Dec 1810 [her son] Thomas Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 46) and Mary Elizabeth Ponsonby Countess Grey (age 34).
On 02 Mar 1812 [her son] John Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 47) and Mary Elizabeth Ponsonby Countess Grey (age 35).
On 31 Mar 1813 [her son] Francis Richard Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 49) and Mary Elizabeth Ponsonby Countess Grey (age 37).
On 29 Jul 1814 [her brother-in-law] George Grey 1st Baronet (age 46) was created 1st Baronet Grey of Fallodon. Mary Whitbread Lady Grey (age 44) by marriage Lady Grey of Fallodon.
On 16 Oct 1814 [her son] Henry Cavendish Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 50) and Mary Elizabeth Ponsonby Countess Grey (age 38).
On 10 Dec 1814 Robert Charles Ellice (age 30) and [her illegitimate step-daughter] Eliza Courtenay (age 22) were married. She the illegitmate daughter of [her husband] Charles Grey 2nd Earl Grey (age 50) and Georgiana Spencer Duchess Devonshire. She the daughter of Charles Grey 2nd Earl Grey (age 50) and Georgiana Spencer Duchess Devonshire.
On 11 Feb 1815 [her son] William Grey (age 6) died.
On 09 Dec 1816 [her son-in-law] John "Radical Jack" Lambton 1st Earl Durham (age 24) and [her daughter] Louisa Elizabeth Grey Countess Durham 1797-1841 (age 19) were married at Howick Hall [Map]. She the daughter of Charles Grey 2nd Earl Grey (age 52) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 40).
In 1817 [her brother-in-law] Lieutenant-Colonel William Grey (age 40) died.
On 15 Feb 1819 [her son] William George Grey was born to [her husband] Charles Grey 2nd Earl Grey (age 54) and Mary Elizabeth Ponsonby Countess Grey (age 42).
After 1822 [her step-father] William Fitzwilliam 4th and 2nd Earl Fitzwilliam (age 73) and [her mother] (age 73) were married. She by marriage Countess Fitzwilliam. He the son of William Fitzwilliam 1st and 3rd Earl Fitzwilliam and Anne Watson Wentworth Countess Fitzwilliam -1769.
On 13 May 1826 [her son-in-law] John Crocker Bulteel (age 33) and [her daughter] Elizabeth Grey (age 27) were married. She the daughter of Charles Grey 2nd Earl Grey (age 62) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 50).
On 08 Jul 1826 [her son] Thomas Grey (age 15) died.
On 15 Jan 1827 [her son-in-law] George Barrington (age 32) and [her daughter] Caroline Grey (age 27) were married. She the daughter of Charles Grey 2nd Earl Grey (age 62) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 50). He a great x 3 grandson of King Charles II of England Scotland and Ireland.
On 03 Oct 1828 [her brother-in-law] George Grey 1st Baronet (age 60) died at the Commissioner's Residence Portsmouth Dockyard. His son George Grey 2nd Baronet (age 29) succeeded 2nd Baronet Grey of Fallodon.
On 29 Jul 1829 [her son-in-law] Charles Wood 1st Viscount Halifax (age 28) and [her daughter] Mary Grey Viscountess Halifax (age 22) were married . She the daughter of Charles Grey 2nd Earl Grey (age 65) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 53).
In 1832 [her sister-in-law] Hannah Althea Grey (age 47) died.
On 09 Aug 1832 [her son] Henry George Grey 3rd Earl Grey (age 29) and [her daughter-in-law] Maria Copley 3rd Countess Grey 1803-1879 (age 33) were married. She the daughter of Joseph Moyle 3rd Baronet (age 63) and Cecil Hamilton Marchioness Abercorn 1770-1819. He the son of Charles Grey 2nd Earl Grey (age 68) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 56).
In Jul 1836 [her son] John Grey (age 24) and [her daughter-in-law] Georgiana Elizabeth Charlotte Hervey (age 34) were married. She the daughter of Frederick William Hervey 1st Marquess of Bristol (age 66) and Elizabeth Albana Upton (age 61). He the son of Charles Grey 2nd Earl Grey (age 72) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 60).
On 26 Jul 1836 [her son] Charles Grey (age 32) and [her daughter-in-law] Caroline Eliza Farquhar (age 22) were married. He the son of Charles Grey 2nd Earl Grey (age 72) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 60).
On 12 Aug 1840 [her son] Francis Richard Grey (age 27) and [her daughter-in-law] Elizabeth Dorothy Anne Howard (age 23) were married. She the daughter of George Howard 6th Earl Carlisle 1773-1848 (age 66) and Georgiana Cavendish Countess Carlisle 1783-1858 (age 57). He the son of Charles Grey 2nd Earl Grey (age 76) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 64). They were third cousins.
In 1845 [her brother-in-law] Henry George Grey (age 79) died.
On 20 Jan 1845 [her son] Admiral George Grey (age 35) and [her daughter-in-law] Jane Frances Stuart (age 22) were married. He the son of Charles Grey 2nd Earl Grey (age 80) and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 68).
On 17 Jul 1845 [her husband] Charles Grey 2nd Earl Grey (age 81) died. His son [her son] Henry George Grey 3rd Earl Grey (age 42) succeeded 3rd Earl Grey, 3rd Viscount Grey of Howick in Northumberland, 3rd Baron Grey of Howick in Northumberland, 4th Baronet Grey of Howick in Northumberland. [her daughter-in-law] Maria Copley 3rd Countess Grey 1803-1879 (age 46) by marriage Countess Grey.
On 20 Jul 1846 [her son] Admiral Frederick William Grey (age 40) and [her daughter-in-law] Barbara Sullivan were married. He the son of Charles Grey 2nd Earl Grey and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 70).
On 28 Nov 1846 [her former sister-in-law] Elizabeth Grey died.
On 20 Sep 1858 [her son] William George Grey (age 39) and [her daughter-in-law] Theresa Stedink were married. He the son of Charles Grey 2nd Earl Grey and Mary Elizabeth Ponsonby Countess Grey 1776-1861 (age 82).
On 02 May 1859 [her illegitimate step-daughter] Eliza Courtenay (age 67) died at Norwood, Surrey.
On 26 Nov 1861 Mary Elizabeth Ponsonby Countess Grey (age 85) died.
Paternal Family Tree: Ponsonby
Maternal Family Tree: Louisa Molesworth Countess Fitzwilliam 1749-1824
Kings Wessex: Great x 22 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 19 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 24 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 20 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 13 Grand Daughter of Henry IV King England
Kings Scotland: Great x 17 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 18 Grand Daughter of Louis VII King Franks
Kings France: Great x 15 Grand Daughter of Philip "Bold" III King France
Great x 3 Grandfather: John Ponsonby
Great x 2 Grandfather: William Ponsonby 1st Viscount Duncannon 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Henry Folliott 1st Baron Folliott 8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Elizabeth Folliot 9 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Anne Strode Countess Roscommon
Great x 1 Grandfather: Brabazon Ponsonby 1st Earl Bessborough 1679-1758 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Charles Moore 2nd Viscount Moore of Drogheda
Great x 3 Grandfather: Randle Moore
Great x 4 Grandmother: Alice Loftus Viscountess Moore
Great x 2 Grandmother: Mary Moore
GrandFather: John Ponsonby 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Archbishop James Margetson
Great x 2 Grandfather: John Margetson
Great x 3 Grandmother: Anne Bonnett
Great x 1 Grandmother: Sarah Margetson 13 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: William Caulfeild 2nd Baron Caulfeild
Great x 3 Grandfather: William Caulfeild 1st Viscount Charlemont 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Mary King 10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Alice Caulfeild Baroness Carpenter 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Charles Moore 2nd Viscount Moore of Drogheda
Great x 3 Grandmother: Sarah Moore Viscountess Charlemont
Great x 4 Grandmother: Alice Loftus Viscountess Moore
Father: William Ponsonby 1st Baron Ponsonby of Imokilly in County Cork 12 x Great Grand Son of Henry IV King England
Great x 4 Grandfather: William Cavendish 3rd Earl Devonshire 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: William Cavendish 1st Duke Devonshire 9 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Cecil Countess Devonshire 1619-1689
8 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: William Cavendish 2nd Duke Devonshire 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: James Butler 1st Duke Ormonde
9 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Mary Butler Duchess Devonshire 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Preston Duchess Ormonde
9 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: William Cavendish 3rd Duke Devonshire 10 x Great Grand Son of Henry IV King England
Great x 4 Grandfather: William Russell 1st Duke Bedford
9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Russell 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Anne Carr Countess of Bedford
9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Rachel Russell Duchess Devonshire 1674-1725 9 x Great Grand Daughter of Henry IV King England
Great x 4 Grandfather: Thomas Wriothesley 4th Earl of Southampton 2nd Earl Chichester
7 x Great Grand Son of Henry IV King England
Great x 3 Grandmother: Rachel Wriothesley 8 x Great Grand Daughter of Henry IV King England
GrandMother: Elizabeth Cavendish 11 x Great Grand Daughter of Henry IV King England
Mary Elizabeth Ponsonby Countess Grey 1776-1861 13 x Great Grand Daughter of Henry IV King England
