Duchy of Aquitaine Agincourt in 1415. He succeeded in obtaining the French crown for his family by the Treaty of Troyes in 1420. Henry V died in 1422, when his son Henry VI inherited the French throne at the age of less than a year; his reign saw the gradual loss of English control of France. The Valois kings of France, claiming supremacy over Aquitaine, granted the title of duke to their heirs, the Dauphins, during 1345 and 1415: John II (1345–50), Charles VII (1392?–1401), and Louis (1401–15). French victory was complete with the Battle of Castillon of 1453. England and France nominally
English claims to the French throne as their lawful king, and declared that "Women do not succeed to the throne of France." This was later said to have been based on the 5th century Salic law, but it is now known that the Salic Law was only rediscovered later and used by the lawyers of the Valois kings to fortify their masters' title with an additional aura of authenticity. At the time of Charles's death in 1328, there was once again a dispute over the succession. Although it had come to be accepted that a woman could not possess the French throne in her own right,