Château de Chinon succession to the French throne. The war ended in 1453 when the English were finally ejected from France, but in the early 15th century the English under King Henry V made significant territorial gains. The Treaty of Troyes in 1420 made Henry V the heir apparent to the French throne but when the French king, Charles VI, and Henry V died in the space of two months in 1422 the issue of succession was again uncertain. The English supported Henry V's son, Henry VI who was still a child, while the French supported recognised Charles VII, the Dauphin of France.
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