William Kerr, 3rd Marquess of Lothian, KT (c. 1690 – 28 July 1767) was a Scottish nobleman, styled Master of Jedburgh from 1692 to 1703 and Lord Jedburgh from 1703 to 1722.
On 7 December 1711, he married Margaret Nicolson, daughter of Sir Thomas Nicolson, 1st Baronet, of Glenbervie, and his wife, Margaret (née Nicolson) Hamilton Nicolson.[2] His wife's mother was previously married to James Hamilton of Ballincrieff, with whom she had Alexander Hamilton of Ballincrieff.[2] They had three children:[1]
Lady Margaret died on 30 September 1759 at Newbattle Abbey and was buried there. William Kerr subsequently married his cousin, Jean Janet Kerr, daughter of Lord Charles Kerr of Cramond and Janet Murray, on 1 October 1760, by whom he had no issue.[1]
Death
Lothian died at Lothian House, Canongate, Edinburgh in 1767, and was buried at Newbattle Abbey. His second wife died at Lothian House twenty years later, on 26 December 1787.[1]
^The Letters of Horace Walpole, Earl of Orford, Vol. II 1744–1753 (1840 pub. Richard Bentley), page 136 & footnote, Letter to Sir Horace Mann, 1 August 1746: ..the Marquis of Lothian in weepers for his son who fell at Culloden... Footnote: William Ker, third Marquis of Lothian. Lord Robert Ker, who was killed at Culloden, was his second son. – D.