Alexander Duff, 3rd Earl Fife

Alexander Duff, 3rd Earl Fife (18 April 1731 – 17 April 1811) was a Scottish nobleman.

Early life Duff was born on 18 April 1731. He was a son of William Duff, 1st Earl Fife, and, his second wife, Jean Grant. Among his siblings were brothers James Duff, 2nd Earl Fife and Arthur Duff, MP for Elginshire. His sister, Hon. Helen Duff, married their father's cousin, Vice-Admiral Robert Duff. Before his parents' marriage, his father was married to Lady Janet Ogilvy (a daughter of the 4th Earl of Findlater). His maternal grandparents were Sir James Grant, 6th Baronet and the former Anne Colquhoun (a daughter of Sir Humphrey Colquhoun, 5th Baronet).

Career Upon the death of his elder brother, James, in 1809, he succeeded to the title of Earl Fife. In addition to that title, he succeeded as the 3rd Viscount MacDuff and the 2nd Baron of MacDuff.

Personal life On 17 August 1775 he married Mary Skene (1754–1790), daughter of George Skene, 18th of Skene, at Carriston, Angus. Together, they were the parents of two sons and four daughters, including:

James Duff, 4th Earl Fife (1776–1857), who married Lady Maria Manners, daughter of John Manners and Louisa Tollemache, 7th Countess of Dysart, in 1799. who married Anne Stein, daughter of James Stein and sister to John Stein, MP for Bletchingley. Lady Jane Duff (1780–1850), who married Maj. Alexander Francis Tayler in 1802. Lady Sarah Duff (d. 1811), who married Daniel Collyer in 1807. and George Skene Duff, an MP for Elgin Burghs.