Earl Haddington is in Earl.
In 1627 Thomas Hamilton 1st Earl Haddington [aged 64] was created 1st Earl Haddington, with the precedence of 1619 and with limitation to his heirs male bearing the surname of Hamilton.
On 29th May 1637 Thomas Hamilton 1st Earl Haddington [aged 74] died. His son Thomas [aged 37] succeeded 2nd Earl Haddington. Jean Gordon Countess Haddington by marriage Countess Haddington.
On 30th August 1640 Thomas Hamilton 2nd Earl Haddington [aged 40] was killed by an explosion at Dunglass Castle, Dunglass. His son Thomas [aged 14] succeeded 3rd Earl Haddington.
His brother Robert Hamilton [aged 26] was also killed by the explosion.
On 8th February 1645 Thomas Hamilton 3rd Earl Haddington [aged 19] died of consumption. His brother John [aged 19] succeeded 4th Earl Haddington.
In 1648 John Hamilton 4th Earl Haddington [aged 22] and Christian Lindsay Countess Haddington were married. She by marriage Countess Haddington. She the daughter of John Lindsay 1st Earl Lindsay 17th Earl Crawford [aged 36] and Margaret Hamilton Countess Lindsay and Crawford [aged 36]. He the son of Thomas Hamilton 2nd Earl Haddington and Catherine Erskine. They were fourth cousin twice removed.
On 31st August 1669 John Hamilton 4th Earl Haddington [aged 43] died in Tyninghame House [Map]. His son Charles [aged 19] succeeded 5th Earl Haddington.
On 8th October 1674 Charles Hamilton 5th Earl Haddington [aged 24] and Margaret Leslie 8th Countess Rothes and Haddington were married. She by marriage Countess Haddington. She the daughter of John Leslie 1st Duke Rothes [aged 44] and Anne Lindsay Duchess Rothes. He the son of John Hamilton 4th Earl Haddington and Christian Lindsay Countess Haddington. They were first cousins.
In May 1685 Charles Hamilton 5th Earl Haddington [aged 35] died at Tyninghame House [Map]. His son Thomas [aged 4] succeeded 6th Earl Haddington. His second son since his first son was to succeed to the Earldom of Rothes through his mother Margaret Leslie 8th Countess Rothes and Haddington.
In 1696 Thomas Hamilton 6th Earl Haddington [aged 15] and Helen Hope Countess Haddington [aged 18] were married. She by marriage Countess Haddington. He the son of Charles Hamilton 5th Earl Haddington and Margaret Leslie 8th Countess Rothes and Haddington. They were first cousins.
On 20th August 1700 Margaret Leslie 8th Countess Rothes and Haddington died. Her son John [aged 21] succeeded 9th Earl Haddington.
On 29th November 1735 Thomas Hamilton 6th Earl Haddington [aged 55] died at Newhailes House, Inveresk. His grandson Thomas [aged 14] succeeded 7th Earl Haddington.
On 19th May 1794 Thomas Hamilton 7th Earl Haddington [aged 73] died. His son Charles [aged 40] succeeded 8th Earl Haddington.
On 17th March 1828 Charles Hamilton 8th Earl Haddington [aged 74] died. His son Thomas [aged 47] succeeded 9th Earl Haddington.
On 1st December 1858 Thomas Haddington 9th Earl Haddington [aged 78] died. His second cousin George [aged 56] succeeded 10th Earl Haddington.