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.
In 1753 Mary Caroline Hervey Countess Erne was born to Frederick Augustus Hervey 4th Earl Bristol (age 22) and Elizabeth Davers Countess Bristol 1733-1800 (age 20).
On 10 Jun 1772 Abraham Crichton 1st Baron Erne (age 68) died. His son [her future husband] (age 41) succeeded 2nd Baron Erne of Crom Castle in Fermanagh.
In 1776 (age 45) and Mary Caroline Hervey Countess Erne (age 23) were married. The difference in their ages was 22 years. She the daughter of Frederick Augustus Hervey 4th Earl Bristol (age 45) and Elizabeth Davers Countess Bristol 1733-1800 (age 43).
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.
In 1789 [her husband] (age 58) was created 1st Earl Erne of Crom Castle in County Fermanagh. Mary Caroline Hervey Countess Erne (age 36) by marriage Countess Erne of Crom Castle in County Fermanagh.
On 30 Mar 1799 [her son-in-law] James Archibald Stuart-Wortley-Mackenzie 1st Baron Wharncliffe (age 22) and [her daughter] Elizabeth Caroline Mary Crichton Baroness Wharncliffe were married. She the daughter of (age 68) and Mary Caroline Hervey Countess Erne 1753-1842 (age 46).
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.
On 15 Dec 1828 [her husband] (age 97) died. His son [her son] (age 63) succeeded 2nd Earl Erne of Crom Castle in County Fermanagh.
On 10 May 1833 [her son] John Crichton (age 60) died.
In 1842 Mary Caroline Hervey Countess Erne (age 89) died.
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
Mary Caroline Hervey Countess Erne 1753-1842 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