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 Charles IV of France. At the time of Charles IV's death in 1328, Edward was his nearest male relative through Edward's mother Isabella of France. Since the election of Hugh Capet in 987, the French crown had always passed based on male-line relations (father to son until 1316). There was no precedent for someone succeeding to the French throne based on his maternal ancestry, nor had there been a need to. There had been no shortage of sons for more than three centuries from the inception of the House of Capet until the early 14th century, when new precedents concerning