Peregrine Andrew Morny Cavendish, 12th Duke of Devonshire, (also known as "Stoker";Chatsworth – A statement from the Duke (Archive accessed 24 May 2016) born 27 April 1944), is an English peer.

William Cavendish, 5th Duke of Devonshire, (14 December 1748 – 29 July 1811), was a British nobleman, aristocrat, and politician.

Andrew Robert Buxton Cavendish, 11th Duke of Devonshire, (2 January 1920 – 3 May 2004), styled Lord Andrew Cavendish until 1944 and Marquess of Hartington from 1944 to 1950, was a British peer and politician.

William Cavendish, 4th Duke of Devonshire (8 May 1720 – 2 October 1764), styled Lord Cavendish before 1729, and Marquess of Hartington between 1729 and 1755, was a British Whig statesman and nobleman who was briefly nominal Prime Minister of Great Britain.