House of York Warwick himself changed sides, and supported Margaret of Anjou and the king's jealous brother George, Duke of Clarence, in briefly restoring Henry in 1470-71. However, Edward regained his throne, and the House of Lancaster was wiped out with the death of Henry VI himself, in the Tower of London in 1471. In 1478, the continued trouble caused by Clarence led to his execution in the Tower of London; popularly he is thought to have been drowned in a butt of malmsey wine. On Edward's death in 1483, the crown passed to his twelve-year-old son Edward. Edward IV's younger brother Richard,
Edmund de la Pole, 3rd Duke of Suffolk Edmund de la Pole, 3rd Duke of Suffolk Edmund de la Pole, 3rd Duke of Suffolk, 6th Earl of Suffolk, (c. 1471 – 30 April 1513), Duke of Suffolk, was a son of John de la Pole, 2nd Duke of Suffolk and his wife Elizabeth of York. His mother was the second surviving daughter of Richard Plantagenet, 3rd Duke of York, and Cecily Neville. 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