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 to be a possible illegitimate child of Richard III and is sometimes referred to as "Richard the Master-Builder" or "Richard of Eastwell", but it has also been suggested he could have been Richard, Duke of York, one of the missing Princes in the Tower. He died in 1550. At the time of his last stand against the Lancastrians, Richard was a widower without a legitimate son. After his son's death, he had initially named his nephew Edward, Earl of Warwick, Clarence's young son and the nephew of Queen Anne Neville, as his heir. After Anne's death, however, Richard named another