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 Edmund Beaufort, Earl of Somerset. Gloucester was put in custody in Bury St Edmunds, where he died, probably of a heart attack (although contemporary rumours spoke of poisoning) before he could be tried. The Duke of York, being the most powerful duke in the realm, and also being both an agnate and the heir general of Edward III (thus having, according to some, a better claim to the throne than Henry VI himself), probably had the best chances to succeed to the throne after Gloucester. However, he was excluded from the court circle and sent to govern Ireland, while his