Charles Cavendish, Viscount Mansfield Member of the Parliament of England (1626–1659) Parents Elizabeth Basset William Cavendish, 1st Duke of Newcastle Children Siblings Elizabeth Cavendish, Countess of Bridgewater Jane Cavendish Henry Cavendish, 2nd Duke of Newcastle Elizabeth Howard Lady Frances Cavendish unknown son Cavendish unknown son Cavendish unknown son Cavendish Partners Elizabeth Rogers