 Elizabeth supplanted the Duchess, gaining the affections of William Cavendish, 5th Duke of Devonshire, and later marrying him.Known as Bess, she was born Elizabeth Christiana Hervey on 13 May 1758, in a small house in Horringer, St Edmundsbury, Suffolk.Her father, Frederick Hervey, Bishop of Derry, later became the fourth Earl of Bristol.