The English victory at Agincourt confirmed Henry V as an outstanding military leader and a greatly loved King. The ensuing treaty with France and Henry's marriage to Princess Katherine promised both kingdoms a long period of peace and prosperity. But Henry V died young, leaving an infant son behind him in the protectorship of his brothers Bedford and Gloucester. War now flares up again in France; and at home, leaderless nobles revive their disastrous quarrel about the rightful succession.