リチャード・プランタジネット
George Plantagenet, Duke of Clarence (21 October 144918 February 1478), was a son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville, and the brother of English kings Edward IV and Richard III. He played an important role in the dynastic struggle between rival factions of the Plantagenets now known as the Wars of the Roses.