Note: Do not rely on this information. It is very old.
Dagobert, the name of some of the Merovingian dynasty of Frankish kings, of whom, perhaps, the most notable was Dagobert I. (602-638), the son of Hlother II. He won victories over the Bretons and Gascons, and founded the Abbey of St. Denis. His reign was the last flash of Merovingian brightness.