 Walter Devereux supported Richard III of England during his reign, and fought by his side at the Battle of Bosworth (22 August 1485).There, Lord Ferrers commanded in the vanguard under John Howard, Duke of Norfolk, alongside Sir Robert Brackenbury and Thomas Howard, Earl of Surrey.Devereux was slain during the initial fight with the opposing van under John de Vere, 13th Earl of Oxford, fighting next to the young John, Lord Zouche.