 The following July, less than a year after his crowning as King Henry III of England, she left him in the care of his regent, William Marshal, 1st Earl of Pembroke and returned to France to assume control of her inheritance of Angoulême.In the spring of 1220, Isabella married Hugh X of Lusignan, "le Brun", Seigneur de Luisignan, Count of La Marche, the son of her former fiancé, Hugh IX, to whom she had been betrothed before her marriage to King John.It had been previously arranged that her eldest daughter Joan should marry Hugh, and the little girl was being brought up at the Lusignan court in preparation for her marriage.