Margaret Howard human, died 1591 (1562–1591) Parents Thomas Howard, 4th Duke of Norfolk Margaret Howard, Duchess of Norfolk Children Edward Sackville, 4th Earl of Dorset Lady Anne Sackville Richard Sackville, 3rd Earl of Dorset Lady Cecily Sackville Lady Cicely Sackville Siblings Thomas Howard, 1st Earl of Suffolk Philip Howard, 20th Earl of Arundel Lord William Howard Partners Robert Sackville, 2nd Earl of Dorset