 In 617, he renewed the treaty of friendship that bound the Frankish kings with the kings of the Lombards.He likely had the policy of maintaining good relations with Christianized-barbarian peoples so long as they kept good relations themselves with the Church.Clothar died on 18 October 629 at age 45, and was buried, like his father, in the Saint Vincent Basilica of Paris, later incorporated in the Saint- Germain -des- Prés.