Henry Cavendish, 2nd Duke of Newcastle English politician (1630-1691) (1630–1691) Parents Elizabeth Basset William Cavendish, 1st Duke of Newcastle Children Lady Catherine Cavendish Lady Arabella Cavendish Henry Cavendish, Earl of Ogle Margaret Holles, Duchess of Newcastle-upon-Tyne Lady Frances Cavendish Elizabeth Monck, Duchess of Albemarle Siblings Elizabeth Cavendish, Countess of Bridgewater Charles Cavendish, Viscount Mansfield Jane Cavendish Elizabeth Howard Lady Frances Cavendish unknown son Cavendish unknown son Cavendish unknown son Cavendish Partners Frances Pierrepont