[1] Deciding upon a different path, he travelled to the province of Maine in 649 during the reign of the Merovingian king Clovis II with his brother, Serenicus.

The chapel was rebuilt in 1849 and called the Oratory of Saint Cénéré near Saulges in the diocese of Le Mans.

a reliquary containing a small part of his body is exposed in the north transept of the Saint Peter's church.

"[2][6] Serenidus had a reputation as a miracle worker, he healed a leper with prayer, he gave sight to a blind man with the sign of the cross.

His hagiography also reports that at the request of the Bishop of Le Mans, Berecharius, he saved the countryside from a drought, a famine and an epidemic.