 Once free, Louis reneged on the promises made under duress but in April 1469, he finally reconciled with his brother, granting him the Duchy of Aquitaine.At the time, Charles also agreed with the Duke of Burgundy to marry the latter's only child and heir, Mary of Burgundy.Louis had no intention of allowing a union between his brother and his enemy's daughter and dispatched envoys to Pope Paul II to ensure that the necessary dispensation, required on grounds of consanguinity, was not granted.