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,
Richard III of England disposed of to somebody else, required that land sales be published, laid down property qualifications for jurors, restricted the abusive Courts of Piepowders, regulated cloth sales, instituted certain forms of trade protectionism, prohibited the sale of wine and oil in fraudulent measure, and prohibited fraudulent collection of clergy dues, among others. Churchill implies he improved the law of trusts. Richard's death at Bosworth resulted in the end of the Plantagenet dynasty, which had ruled England since the succession of Henry II in 1154. The last legitimate male Plantagenet, Richard's nephew, Edward, Earl of Warwick (son of Richard III's brother Clarence),