John Bligh, 1st Earl of Darnley (28 December 1687 – 12 September 1728), was an Irish peer born of an English family.
[9] On 24 August 1713, he was married to Lady Theodosia Hyde, 10th Baroness Clifton of Leighton Bromswold (1695–1722), a daughter of Edward Hyde, Viscount Cornbury, 3rd Earl of Clarendon and the former Catherine O'Brien of Cobham Hall, suo jure Baroness Clifton of Leighton Bromswold (a granddaughter of George, 9th Seigneur d'Aubigny and niece of Charles, 6th Duke of Lennox).
Together, they were the parents of seven children, five of whom lived to adulthood:[10] Lord Darnley died in 1728 and was buried with his wife in the "Hyde Vault" in Westminster Abbey, in the north ambulatory, near the steps up to Henry VII's chapel.
[13] Through his daughter, Lady Mary, he was a grandfather of the Irish philanthropist, Theodosia (née Tighe) Blachford (1744–1817) (the wife of Rev.
[10] Through his daughter Lady Ann, he was a grandfather of Theodosia Hawkins-Magill (1743–1817) (the wife of John Meade, 1st Earl of Clanwilliam), Nicholas Ward, 2nd Viscount Bangor (1750–1827), Hon.