Before 1753 [her father] Frederick Augustus Hervey 4th Earl Bristol (age 22) and [her mother] Elizabeth Davers Countess Bristol 1733-1800 (age 19) were married.
On 08 Dec 1754 Charlotte Elizabeth Boyle Marchioness Hartington (age 23) died. Her son [her future husband] William Cavendish 5th Duke Devonshire (age 6) succeeded 7th Baron Clifford.
In 1758 Elizabeth Christiana Hervey Duchess Devonshire was born to Frederick Augustus Hervey 4th Earl Bristol (age 27) and Elizabeth Davers Countess Bristol 1733-1800 (age 25).
On 02 Oct 1764 William Cavendish 4th Duke Devonshire (age 44) died. His son [her future husband] William Cavendish 5th Duke Devonshire (age 16) succeeded 5th Duke Devonshire, 8th Earl Devonshire.
On 07 Jun 1774 [her future husband] William Cavendish 5th Duke Devonshire (age 26) and Georgiana Spencer Duchess Devonshire (age 17) were married in St Mary's Church, Wimbledon. It was her 17th birthday. She by marriage Duchess Devonshire. She the daughter of John Spencer 1st Earl Spencer (age 39) and Margaret Georgiana Poyntz Countess Spencer (age 37). He the son of William Cavendish 4th Duke Devonshire and Charlotte Elizabeth Boyle Marchioness Hartington. They were fourth cousins.
On 23 Dec 1779 [her uncle] Augustus John Hervey 3rd Earl Bristol (age 55) died due to a gout in the stomach in St James' Square. His brother [her father] Frederick Augustus Hervey 4th Earl Bristol (age 49) succeeded 4th Earl Bristol. [her mother] Elizabeth Davers Countess Bristol 1733-1800 (age 46) by marriage Countess Bristol.
1786 Angelica Kauffmann (age 44). Portrait of Elizabeth Christiana Hervey Duchess Devonshire (age 28).
On 26 May 1788 [her illegitimate son] Augustus Clifford 1st Baronet was born illegitimately to [her future husband] William Cavendish 5th Duke Devonshire (age 40) and Elizabeth Christiana Hervey Duchess Devonshire (age 30). He was illegitmate at the time of his birth. His parents subsequently married.
On 19 Dec 1800 [her mother] Elizabeth Davers Countess Bristol 1733-1800 (age 67) died.
On 08 Jul 1803 [her father] Frederick Augustus Hervey 4th Earl Bristol (age 72) died in Lazio. His son [her brother] Frederick William Hervey 1st Marquess of Bristol (age 33) succeeded 5th Earl Bristol.
In 1809 William Cavendish 5th Duke Devonshire (age 61) and Elizabeth Christiana Hervey Duchess Devonshire (age 51) were married. She by marriage Duchess Devonshire. She the daughter of Frederick Augustus Hervey 4th Earl Bristol and Elizabeth Davers Countess Bristol 1733-1800. He the son of William Cavendish 4th Duke Devonshire and Charlotte Elizabeth Boyle Marchioness Hartington.
On 24 Dec 1809 Granville Leveson-Gower 1st Earl Granville (age 36) and [her step-daughter] Harriet Cavendish Countess Granville (age 24) were married. She the daughter of William Cavendish 5th Duke Devonshire (age 61) and Georgiana Spencer Duchess Devonshire. He the son of Granville Leveson-Gower 1st Marquess Stafford and Susanna Stewart Marchioness Stafford -1805.
On 29 Jul 1811 [her husband] William Cavendish 5th Duke Devonshire (age 63) died. His son [her step-son] William Cavendish 6th Duke Devonshire (age 21) succeeded 6th Duke Devonshire, 9th Earl Devonshire, 8th Baron Clifford.
On 20 Oct 1813 [her illegitimate son] Augustus Clifford 1st Baronet (age 25) and [her daughter-in-law] Elizabeth Frances Townshend (age 24) were married. He the son of William Cavendish 5th Duke Devonshire and Elizabeth Christiana Hervey Duchess Devonshire 1758-1824 (age 55).
Paternal Family Tree: Hervey
Maternal Family Tree: Margaretta Green
Kings Wessex: Great x 22 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 20 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 25 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 21 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 12 Grand Daughter of King Edward III of England
Kings Scotland: Great x 18 Grand Daughter of William "Lion" I King Scotland
Kings Franks: Great x 18 Grand Daughter of Louis VII King Franks
Kings France: Great x 14 Grand Daughter of Philip "The Fair" IV King France
Great x 3 Grandfather: William Hervey
Great x 2 Grandfather: Thomas Hervey
Great x 4 Grandfather: Robert Jermyn
Great x 3 Grandmother: Susan Jermyn
Great x 4 Grandmother: Judith Blagge
Great x 1 Grandfather: John Hervey 1st Earl Bristol
GrandFather: John Hervey 2nd Baron Hervey 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Henry Felton 1st Baronet 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Henry Felton 2nd Baronet 9 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: Thomas Felton 4th Baronet 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Lionel Tollemache 2nd Baronet 8 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Susanna Tollemache Lady Felton 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Stanhope Lady Talmash 6 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Elizabeth Felton Countess Bristol 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Theophilus Howard 2nd Earl Suffolk 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: James Howard 3rd Earl Suffolk 9 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Home Countess Suffolk 1599-1633 18 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Elizabeth Howard Lady Felton 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Edward Villiers
Great x 3 Grandmother: Barbara Villiers Countess Suffolk 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Barbara St John 8 x Great Grand Daughter of King Edward III of England
Father: Frederick Augustus Hervey 4th Earl Bristol 11 x Great Grand Son of King Edward III of England
Great x 1 Grandfather: Nicholas Wedig Lepell
GrandMother: Mary Lepell Baroness Hervey
Elizabeth Christiana Hervey Duchess Devonshire 1758-1824 12 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Robert Davers 1st Baronet
Great x 1 Grandfather: Robert Davers 2nd Baronet
GrandFather: Jermyn Davers 4th Baronet
Great x 4 Grandfather: Thomas Jermyn
Great x 3 Grandfather: Thomas Jermyn
Great x 4 Grandmother: Catherine Killigrew
Great x 2 Grandfather: Thomas Jermyn 2nd Baron Jermyn
Great x 1 Grandmother: Mary Jermyn Lady Davers
Great x 3 Grandfather: Henry Merry
Great x 2 Grandmother: Mary Merry Baroness Jermyn
Mother: Elizabeth Davers Countess Bristol 1733-1800
Great x 1 Grandfather: Edward Green Rector Drinkstone
GrandMother: Margaretta Green