William Spencer d.1722 (1718–1722) Parents Charles Spencer, 3rd Earl of Sunderland Judith Tichborne Children Siblings Diana Spencer, Duchess of Bedford unnamed child Spencer Robert Spencer, 4th Earl of Sunderland unnamed child Spencer Anne Bateman, Viscountess Bateman John Spencer Lady Frances Spencer Robert Spencer Charles Spencer, 3rd Duke of Marlborough Sir Richard Sutton, 1st Baronet