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 herself, there was little she could do. However, eventually Edward IV had a falling-out with two of his main supporters: Richard Neville, Earl of Warwick, and his own younger brother George, Duke of Clarence. At the urging of King Louis XI of France they formed a secret alliance with Margaret. After marrying his daughter to Henry and Margaret's son, Edward of Westminster, Warwick returned to England, forced Edward IV into exile, and restored Henry VI to the throne on 3 October 1470; the term "readeption" is still sometimes used for this event. However, by this time, years in hiding followed