This king defeated Hugh of Lusignan at the Battle of Taillebourg during the Saintonge War, while another of his campaigns saw him capture of the port of Damietta.
This man's chaplain was William of Chartres, and the Treaty of Meaux made peace with Raymond VII of Toulouse at the beginning of his reign. This king defeated Hugh of Lusignan at the Battle of Taillebourg during the Saintonge War, while another of his campaigns saw him capture of the port of Damietta. He gained fame for arbitrating disputes across Europe and commissioned the Sainte Chapelle. This king's mother, Blanche of Castile, twice served as his regent, and he directed the construction of buildings to house relics of the "True Cross" which he hoped to gain on the Seventh and Eighth Crusades. For 10 points, name this only French king to be canonized.
This man's chaplain was William of Chartres, and the Treaty of Meaux made peace with Raymond VII of Toulouse at the beginning of his reign.
Louis IX [accept Saint Louis until mentioned; prompt on "Louis"]