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.
George Plantagenet, 1st Duke of Clarence to Elizabeth Woodville. Despite several flowery speeches proclaiming loyalty to Warwick and to Henry VI, Clarence defects back to Edward IV's side almost as soon as he sees his brothers again; it takes only a few lines for his brothers to shame him into rejoining the Yorkist party. Several lines reference his penchant for wine. In "Richard III", the play opens with Gloucester having framed Clarence for treason, using a soothsayer to sow doubt in the King's mind about his brother, and in the first scene Clarence is arrested and taken to the Tower. Gloucester nimbly stage-manages Clarence's death, fast-tracking