 She was also a younger sister to Edward IV of England and Edmund, Earl of Rutland, as well as an older sister to Margaret of York, George Plantagenet, 1st Duke of Clarence, and Richard III of England.His paternal grandparents were William de la Pole, 1st Duke of Suffolk, and Alice Chaucer.Suffolk was an important English soldier and commander in the Hundred Years' War, and later Lord Chamberlain of England.