Alphonse was not allowed to take possession of his fiefdom until the age of 18 years, which he did in 1240. In June 1241, king Louis IX of France, son of Louis VIII, held a plenary court at Saumur in Anjou and announced that his brother, Alphonse, having come of age, was ready to come into possession of the title.
Alphonse was not permitted to take possession of his fiefdom until he reached 18 years old, which he did in 1240. In June 1241, King Louis IX of France, son of Louis VIII, convened a full court at Saumur in Anjou and declared that his brother Alphonse, now an adult, was prepared to assume the title.