John Spencer, 1st Earl Spencer British peer and politician (1734-1783) (1734–1783) Parents Georgiana Clavering-Cowper, Countess Cowper John Spencer Children George Spencer, 2nd Earl Spencer Georgiana Cavendish, Duchess of Devonshire Lady Louisa Spencer Henrietta Ponsonby, Countess of Bessborough Lady Charlotte Spencer Siblings Diana Spencer Partners Georgiana Spencer, Countess Spencer
