William Cavendish, 1st Duke of Newcastle English polymath and aristocrat (1592-1676) (1592–1676) Parents Catherine Ogle, Baroness Ogle Charles Cavendish Children unknown son Cavendish Lady Frances Cavendish Charles Cavendish, Viscount Mansfield unknown son Cavendish Henry Cavendish, 2nd Duke of Newcastle Jane Cavendish Elizabeth Cavendish, Countess of Bridgewater unknown son Cavendish Siblings Charles Cavendish Partners Margaret Cavendish, Duchess of Newcastle-upon-Tyne Elizabeth Basset
