Courtier and advisor of Austrasian King Theodebert II. Soldier. Married the Lady Doda. From his son Ansegisel and Begga, daughter of Pepin of Landen, came the Carolingian kings of France; Begga later took the veil. In 610, when Arnulf was about to become a monk, he was appointed bishop of Metz. He played a prominent role in affairs of state, was instrumental in making Clotaire of Neustria king of Austrasia, was chief counselor to King Dagobert of Austrasia. In 626 Arnulf retired to a hermitage near the abbey of Remiremont.