St. Cunibert was the Archbishop of Cologne, Germany and the guardian for Sigebert III of Austrasia. Raised in the royal court of King Clotaire II, Cunibert was an archdeacon at Trier and the archbishop of Cologne about 625. Dagobert I, appointed him one of the two guardians for his son, Sigebert III. Cunibert also attended many synods and built churches and monasteries.