History of England power to succeed the current ruler of France, Charles VI of France. The Treaty also provided that he would marry Charles VI's daughter, Catherine of Valois. They married in 1421. Henry died of dysentery in 1422, leaving a number of unfulfilled plans, including his plan to take over as King of France and to lead a crusade to retake Jerusalem from the Muslims. Henry V's son, Henry VI, became king in 1422 as an infant. His reign was marked by constant turmoil due to his political weaknesses. While he was growing up, England was ruled by the Regency government. The
Dual monarchy of England and France was finding the war too costly on his part. Dual monarchy of England and France The dual monarchy of England and France existed during the latter phase of the Hundred Years' War when Charles VII of France and Henry VI of England disputed the succession to the throne of France. It commenced on 21 October 1422 upon the death of King Charles VI of France, who had signed the Treaty of Troyes which gave the French crown to his son-in-law Henry V of England and Henry's heirs. It excluded King Charles's son, the Dauphin Charles, who by right of primogeniture