Brother of Saint Cadoc of Llancarfan; may have been the nephew of Saint Petroc. Monk. Sent to Cornwall by Cadoc, he founded the monastery and parish now know as Saint Glywys. May have been martyred; records are unclear.
- “Saint Gluvias“. Saints.SQPN.com. 14 April 2014. Web. 28 January 2015. <>