Biography of Arthur Chichester 1st Marquess Donegal 1739-1799
Paternal Family Tree: Chichester
On 13 Jun 1739 Arthur Chichester 1st Marquess Donegal was born to John Chichester (age 33) and Elizabeth Newdigate (age 29).
In 1757 [his uncle] Arthur Chichester 4th Earl Donegal (age 62) died. His nephew Arthur Chichester 1st Marquess Donegal (age 17) succeeded 5th Earl Donegal.
On 11 Sep 1761 Arthur Chichester 1st Marquess Donegal (age 22) and Anne Hamilton Countess Donegal (age 23) were married. She by marriage Countess Donegal. She the daughter of James Hamilton 5th Duke Hamilton 2nd Duke Brandon and Anne Spencer Duchess Hamilton Duchess Brandon (age 51).
On 25 May 1765 [his brother-in-law] Archibald Hamilton 9th Duke Hamilton 6th Duke Brandon (age 24) and Harriet Stewart Duchess Hamilton Duchess Brandon were married. She the daughter of Alexander Stewart 6th Earl Galloway (age 71) and Catherine Cochrane Countess Galloway (age 56). He the son of James Hamilton 5th Duke Hamilton 2nd Duke Brandon and [his mother-in-law] Anne Spencer Duchess Hamilton Duchess Brandon (age 55).
On 14 Aug 1769 [his son] George Chichester 2nd Marquess Donegal was born to Arthur Chichester 1st Marquess Donegal (age 30) and [his wife] Anne Hamilton Countess Donegal (age 31) at St James'.
On 03 May 1771 [his son] Arthur Chichester was born to Arthur Chichester 1st Marquess Donegal (age 31) and [his wife] Anne Hamilton Countess Donegal (age 33).
On 20 Apr 1775 [his son] Spencer Stanley Chichester was born to Arthur Chichester 1st Marquess Donegal (age 35) and [his wife] Anne Hamilton Countess Donegal (age 37).
Around 1780 Thomas Gainsborough (age 52). Portrait of Arthur Chichester 1st Marquess Donegal (age 40).
On 11 Nov 1780 [his wife] Anne Hamilton Countess Donegal (age 42) died.
On 24 Oct 1788 Arthur Chichester 1st Marquess Donegal (age 49) and Charlotte Spencer were married. She died less than a year later.
On 19 Sep 1789 [his wife] Charlotte Spencer died at Fisherwick, Staffordshire.
In Oct 1790 Arthur Chichester 1st Marquess Donegal (age 51) and Barbara Godfey Marchioness Donegal were married.
In 1791 Arthur Chichester 1st Marquess Donegal (age 51) was created 1st Marquess Donegal. [his wife] Barbara Godfey Marchioness Donegal by marriage Marchioness Donegal.
Before 08 Jan 1797 [his son] Spencer Stanley Chichester (age 21) and [his daughter-in-law] Anne Harriet Stewart (age 28) were married. She the daughter of John Stewart 7th Earl Galloway (age 60) and Anne Dashwood Countess Galloway (age 54). He the son of Arthur Chichester 1st Marquess Donegal (age 57) and [his former wife] Anne Hamilton Countess Donegal. They were half second cousins.
On 05 Jan 1799 Arthur Chichester 1st Marquess Donegal (age 59) died. His son [his son] George Chichester 2nd Marquess Donegal (age 29) succeeded 2nd Marquess Donegal, 6th Earl Donegal.
[his daughter] Henrietta Chichester was born to Arthur Chichester 1st Marquess Donegal and Anne Hamilton Countess Donegal.
[his daughter] Charlotte Anne Chichester was born to Arthur Chichester 1st Marquess Donegal and Anne Hamilton Countess Donegal.
[his daughter] Elizabeth Juliana Chichester was born to Arthur Chichester 1st Marquess Donegal and Anne Hamilton Countess Donegal.
[his daughter] Amelia Chichester was born to Arthur Chichester 1st Marquess Donegal and Anne Hamilton Countess Donegal.
Kings Wessex: Great x 20 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 17 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 23 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 18 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 11 Grand Son of King Edward III of England
Kings Scotland: Great x 19 Grand Son of King Duncan I of Scotland
Kings Franks: Great x 17 Grand Son of Louis VII King Franks
Kings France: Great x 13 Grand Son of Philip IV King France
Great x 4 Grandfather: John Chichester 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Edward Chichester 1st Viscount Chichester 6 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Gertrude Courtenay 
7 x Great Grand Daughter of King Edward I of England
Great x 2 Grandfather: Lieutenant-Colonel John Chichester 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Copleston
Great x 3 Grandmother: Anne Copleston
Great x 4 Grandmother: Dorothy Biston
Great x 1 Grandfather: Arthur Chichester 2nd Earl Donegal 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Roger Jones 1st Viscount Ranelagh
Great x 2 Grandmother: Mary Jones
Great x 4 Grandfather: Garret Moore 1st Viscount Moore of Drogheda
Great x 3 Grandmother: Frances Moore
Great x 4 Grandmother: Mary Colley Viscountess Moore and Wilmot
GrandFather: Arthur Chichester 3rd Earl Donegal 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Osbourne Echingham
Great x 3 Grandfather: Charles Echingham of Dunroby
Great x 2 Grandfather: John Ichyngham of Dunbrody in Wexford
Great x 1 Grandmother: Jane Ichyngham Countess Donegall
Father: John Chichester 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Patrick Forbes of Corse
Great x 3 Grandfather: William Forbes of Corse
Great x 2 Grandfather: Arthur Forbes 1st Baronet
Great x 1 Grandfather: Arthur Forbes 1st Earl Granard
GrandMother: Catherine Forbes
Arthur Chichester 1st Marquess Donegal 11 x Great Grand Son of King Edward III of England
Mother: Elizabeth Newdigate