SEIRIOL (c. 500-c. 550), founder and first abbot of Penmon church;
son of Owain Danwyn ab Einion Yrth ap Cunedda Wledig, and so a second cousin of king Maelgwn Gwynedd (q.v.) and of the same age as the latter. According to Anglesey tradition, he was a great friend of S. Cybi (q.v.). Seiriol was the chief saint of the Dindaethwy district in Anglesey and also of Penmaenmawr, Caerns.; his feast day, according to the earliest calendars, was 1 Feb.
Bibliography:
- Baring-Gould and J. Fisher , Br. SS., iv, 177-80;
- H. H. Hughes and H. L. North, The Old Churches of Snowdonia, 1-26, 160-3.
Author:
Chancellor John Williams James, D.D., Aber, Bangor
