Henry Addington1 
He lived at Fringford, Oxfordshire, England.1
Child of Henry Addington and Elizabeth Watts
- Anthony Addington+2 b. 13 Dec 1713, d. 21 Mar 1790
Henry Markham1
Child of Henry Markham
- Elizabeth Markham2 d. 1702
Elizabeth Markham1 
From 10 May 1696, her married name became Addington.
George Fellowes1 
Mary Hiley1 
From 22 September 1745, her married name became Addington.
Children of Mary Hiley and Anthony Addington
- Charlotte Addington+2 d. 27 May 1839
- Rt. Rev. John Hiley Addington+2 d. 11 Jun 1818
- Anne Addington2 d. 12 Jun 1806
- Eleanor Addington2
- Elizabeth Addington2 d. 26 Jun 1827
- Henry Addington, 1st Viscount Sidmouth+2 b. 30 May 1757, d. 15 Feb 1844
Edward Fellowes1 
Rt. Rev. John Hiley Addington1 
He held the office of Member of Parliament (M.P.) for Truro between 1787 and 1790.1 He held the office of Member of Parliament (M.P.) for Winchelsea between 1794 and 1796.1 He held the office of Member of Parliament (M.P.) for Wendover between 1796 and 1802.1 He held the office of Paymaster-General of the Forces.1 He was appointed Privy Counsellor (P.C.)1 He held the office of a Lord of Treasury in 1800.1 He held the office of Member of Parliament (M.P.) for Bossiney between 1802 and 1803.1 He held the office of Member of Parliament (M.P.) for Harwich between 1803 and 1818.1 He lived at Langford Court, Somerset, England.1
Children of Rt. Rev. John Hiley Addington and Mary Unwin
- unknown daughter Addington1
- Haviland John Addington2 b. 20 Nov 1787
- Rt. Hon. Henry Unwin Addington2 b. 24 Mar 1790, d. 6 Mar 1870
Henry Unwin1
Child of Henry Unwin
- Mary Unwin+2 d. 3 Sep 1833
Mary Unwin1 
From 25 October 1785, her married name became Addington.
Children of Mary Unwin and Rt. Rev. John Hiley Addington
- unknown daughter Addington1
- Haviland John Addington2 b. 20 Nov 1787
- Rt. Hon. Henry Unwin Addington2 b. 24 Mar 1790, d. 6 Mar 1870
Haviland John Addington1 