リチャード・プランタジネット
Its symbolic value led to traitors' severed heads being displayed on the defences. Heads left there to rot included: Henry Hotspur Percy (1403), Henry Scrope, 3rd Baron Scrope of Masham (1415), Richard Plantagenet, 3rd Duke of York (1461), and Thomas Percy, 7th Earl of Northumberland (1572).