Elizabeth Cavendish, Countess of Bridgewater British writer; (1626-1663) (1626–1663) Parents Elizabeth Basset William Cavendish, 1st Duke of Newcastle Children William Egerton Lady Elizabeth Egerton John Egerton, 3rd Earl of Bridgewater Thomas Egerton Siblings Henry Cavendish, 2nd Duke of Newcastle Jane Cavendish Charles Cavendish, Viscount Mansfield Elizabeth Howard Lady Frances Cavendish unknown son Cavendish unknown son Cavendish unknown son Cavendish Partners John Egerton, 2nd Earl of Bridgewater
