(18 March 1735–11 April 1770) Lady Elizabeth Montagu (29 May 1743– 21 November 1827), who married Henry Scott, 3rd Duke of Buccleuch and had issue. The Duchess of Montagu died in May 1775. The Duke of Montagu died at Privy Gardens, Whitehall, London, in May 1790, aged 77, without surviving male issue. The marquessate and dukedom became extinct, the earldom of Cardigan and its associated titles passed to his brother, Lord Brudenell, and the barony of Montagu passed to his grandson, Lord Henry Scott (who assumed the surname "Montagu-Scott", and on whose death the barony became extinct). References |- 1712 births 1790 deaths 201 Earls of Cardigan Fellows of the Royal Society Knights of the Garter Lord-Lieutenants of Huntingdonshire Members of the Privy Council of Great Britain People from Camden Town George Barons Montagu of Boughton