Brownlow Bertie, 5th Duke of Ancaster PC (1 May 1729 – 8 February 1809), styled Lord Brownlow Bertie until 1779, was a British peer and politician who sat in the House of Commons from 1761 to 1779 when he succeeded to a peerage.
[1] He was baptized in London in the Church of St Giles in the Fields, Holborn.
His first wife, whom he married on 11 November 1762 at the house of General Durand in Cork Street, Burlington Gardens, London, was Harriot Pitt (1745–1763), the only daughter and heiress of George Morton Pitt.
[5] His first marriage was childless, while with his second wife he had one daughter:[5] The dukedom and the marquessate became extinct on his own death, while the earldom passed to his kinsman Albemarle Bertie.
[7] The Duke of Ancaster's funeral took place on 17 February 1809 at St Mary's Church in Swinstead, Lincolnshire.