John Spencer British politician, an ancestor of the Earls Spencer (1708-1746) (1708–1746) Parents Anne Churchill, Countess of Sunderland Charles Spencer, 3rd Earl of Sunderland Children Diana Spencer John Spencer, 1st Earl Spencer Siblings Diana Spencer, Duchess of Bedford Robert Spencer, 4th Earl of Sunderland Anne Bateman, Viscountess Bateman Charles Spencer, 3rd Duke of Marlborough Robert Spencer unnamed child Spencer William Spencer unnamed child Spencer Lady Frances Spencer Partners Fanny Murray Georgiana Clavering-Cowper, Countess Cowper
