Henry VI of England in accordance with the Treaty of Troyes of 1420, he became titular King of France upon his grandfather Charles VI's death. His mother, Catherine of Valois, was then 20 years old. As Charles VI's daughter, she was viewed with considerable suspicion by English nobles and was prevented from playing a full role in her son's upbringing. On 28 September 1423, the nobles swore loyalty to Henry VI. They summoned Parliament in the King's name and established a regency council to govern until the King should come of age. One of Henry V's surviving brothers, John, Duke of Bedford, was appointed
Dual monarchy of England and France survived him by two months. His son Henry, who was born the year before, succeeded his father as king Henry VI of England and, six months later, his maternal grandfather as king of France. After Henry V's death, the issue of the regency to the infant king Henry VI was resolved by meetings between Bedford, Burgundy and the French Estates-General. The Settlement of Troyes was reaffirmed in accordance with it; Bedford was made keeper of Normandy and Burgundy and may have been named regent for the king of France. Bedford was a little uncertain whether Burgundy would relinquish his status