Deborah Cavendish, Duchess of Devonshire English writer (1920–2014) (1920–2014) Parents Sydney Bowles David Freeman-Mitford, 2nd Baron Redesdale Children Peregrine Cavendish, 12th Duke of Devonshire Lord Victor Cavendish Sophia Topley Mary Cavendish Mark Cavendish Lady Emma Tennant Siblings Diana Mosley Pamela Mitford Nancy Mitford Jessica Mitford Tom Mitford Unity Mitford Partners Andrew Cavendish, 11th Duke of Devonshire
