Book of Saints, Paulus is said to have been the brother of Saint Germanus of Paris. As a young man he was educated at the court of Chlothar II where he belonged to a small but very influence circle of young boys such as the future king Dagobert I, Desiderius, the later bishop of Cahors, and Eligius, the later advisor of Dagobert I and bishop of Noyon-Tournai according to the letter of Desiderius of Cahors (Epistola I.10).

He became a hermit and spent time on