Career
He arrived they say from Rome, with a nail in his possession from the cross that bore the martyrdom of Saint Peter, where he built an oratory dedicated to the Apostle, which would Nantes Cathedral. lieutenant would have taken an important role in the evangelization of Britain, and the foundation of several parishes between Nantes and Vannes. He died in Kerbellec, village commune Réguiny (Morbihan), and his tomb (emptied since the Norman invasions in late 9th century) lies in a chapel adjoining the church of Réguiny.
A votive fountain is also located on the territory of the Breton town.
He is sometimes wrongly confused with Saint Clair, first bishop of Albi in the fifth century.