Henry Mordaunt, 2nd Earl of Peterborough English diplomat (1621–1697) Parents Elizabeth Howard, Countess of Peterborough John Mordaunt, 1st Earl of Peterborough Children Mary Howard, Duchess of Norfolk Siblings Lady Sophia Mordaunt John Mordaunt, 1st Viscount Mordaunt Lady Elizabeth Mordaunt Partners Lady Penelope O'Brien
