Son of a local leader in Brittany in France, he was dedicated to God at birth by his parents. Nephew and student of Saint Theliau. Grew up in Wales. Monk. Abbot of Llandeilo Fawr, Carmarthenshire, Wales. Third bishop of Llandaff, Wales c.580. Mauric, king of Glamorgan, assisted him in his ministry, but Oudoceus excommunicated him for assassinating a prince named Cynedu.
- 615 of natural causes
- “Saint Oudoceus“. CatholicSaints.Info. 21 May 2016. Web. 26 October 2016. <>