Edward IV of England Richard, Duke of Gloucester (later King Richard III of England), were married to Isabel Neville and Anne Neville. Both were daughters of Warwick by Anne Beauchamp and rival heirs to the considerable inheritance of their still-living mother, leading to a dispute between the brothers. In 1478 George was eventually found guilty of plotting against Edward, imprisoned in the Tower of London, and privately executed on 18 February 1478. According to a long-standing tradition, he was "drowned in a butt of Malmsey wine". Edward did not face any further rebellions after his restoration, as the Lancastrian line had virtually been extinguished.
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),