House of Plantagenet a near total victory over the French at the Battle of Agincourt. In subsequent years Henry recaptured much of Normandy and secured marriage to Catherine of Valois. The resulting Treaty of Troyes stated that Henry's heirs would inherit the throne of France, but conflict continued with the Dauphin. When Henry died in 1422, his nine-month-old son succeeded him as Henry VI of England. During the minority of Henry VI the war caused political division among his Plantagenet uncles, Bedford, Humphrey of Lancaster, 1st Duke of Gloucester, and Cardinal Beaufort. Humphrey's wife was accused of treasonable necromancy after two astrologers in
English claims to the French throne female inheritance finally had to be introduced. On the death of Philip IV the Fair's son Louis X in 1316, immediately followed by that of his son John I the Posthumous, it had to be decided whether his young daughter Joan or his brother Philip would succeed to the throne. Philip arranged for his coronation, and became Philip V of France. He was challenged by the supporters of the Princess Joan, daughter of Louis X, on the basis of his right to the throne. In response, he convened an assembly of prelates, barons, and burgesses at Paris, who acknowledged him