Edward IV (1422-1483) Earl of Marsh, Duke of York, then twice King of England during the War of the Roses.
King Henry VI (1421-1471) of England. Inherited the throne at 9 months old, became King of France. The last king of the Lancastrian dynasty.
King Henry VII (1457-1509) of England. Henry Tudor crowned on the battlefield after defeating Richard III at the Battle of Bosworth in 1485.
Richard III (1452-1485) of England. The last of the Plantagenets, and last English King to be killed on a battlefield in Leicestershire.