Mary Stafford, Countess of Stafford English noble (1620-1693) (1620–1693) Parents Anne Wilford Edward Stafford Children Delphina Howard Francis Howard Henry Stafford-Howard, 1st Earl of Stafford Ursula Howard unknown daughter Howard Isabella Howard Alethea Howard John Stafford Howard Anastasia Howard Siblings Henry Stafford, 5th Baron Stafford Partners William Howard, 1st Viscount Stafford