Urfol was born at the manor of Lannriou in Landouzan in the parish of Le Drennec at the beginning of the 6th century and would have received his religious training at the monastery of Ac'h (or Ack). D'après la tradition, Urfol serait né au manoir de Lannriou en Landouzan dans la paroisse du Drennec au début du VIe siècle et aurait reçu sa formation religieuse au monastère d'Ac'h (ou Ack).
