Lady Elizabeth Cavendish (1723-1796) (1723–1796) Parents Catherine Cavendish, Duchess of Devonshire William Cavendish, 3rd Duke of Devonshire Children William Ponsonby, 1st Baron Ponsonby Frances Ponsonby Mary Charlotte Ponsonby Catharine Ponsonby George Ponsonby Siblings Lord John Cavendish Lady Rachel Cavendish Lord Frederick Cavendish William Cavendish, 4th Duke of Devonshire Lady Caroline Cavendish Lord George Cavendish Partners John Ponsonby
