Andrew Robert Buxton Cavendish, 11th Duke of Devonshire

Andrew Robert Buxton Cavendish, 11th Duke of Devonshire, (born January 2, 1920), 11th Duke of Devonshire, is the present Duke. Also known as Marquess of Hartington (1948-1950). He served as a minister in Harold Macmillan's government, and he received the Military Cross[?] in 1944. He married Deborah Mitford (born March 31, 1920), sister to Nancy Mitford and Jessica Mitford. He lives at Chatsworth, the ancestral home.

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The 11th Duke's son and heir, Peregrine Andrew Morny Cavendish, Marquess of Hartington, (born April 27, 1944), married Amanda Heywood-Lonsdale (born 1944) and lives at Bolton Abbey.

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Lord Hartington's son and heir is William Cavendish, Earl of Burlington (born 1969).