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
Henry VI of England English monarch to also have been crowned King of France (as Henry II), in 1431. His early reign, when several people were ruling for him, saw the pinnacle of English power in France, but subsequent military, diplomatic, and economic problems had seriously endangered the English cause by the time Henry was declared fit to rule in 1437. He found his realm in a difficult position, faced with setbacks in France and divisions among the nobility at home. Unlike his father, Henry is described as timid, shy, passive, well-intentioned, and averse to warfare and violence; he was also at times mentally