Andrew Cavendish, 11th Duke of Devonshire British politician and duke (1920-2004) (1920–2004) Parents Mary Cavendish, Duchess of Devonshire Edward Cavendish, 10th Duke of Devonshire Children Mark Cavendish Lord Victor Cavendish Lady Emma Tennant Sophia Topley Mary Cavendish Peregrine Cavendish, 12th Duke of Devonshire Siblings William Cavendish, Marquess of Hartington Mary Cavendish Anne Tree Elizabeth Cavendish Partners Deborah Cavendish, Duchess of Devonshire
