Cristiolus was a Welsh saint who lived in the 6th century.
Biography
According to tradition, he was a son of Hywel,[1] son of Emyr Llydaw and therefore brother to Saint Sulien, Saint Rhystud and Derfel Gadarn, and perhaps also Dwywe (or Dwywau).
He founded churches, including one at Anglesey.[2]
Veneration
Cristiolus is venerated in the Eastern Orthodox Church.[2] He is commemorated on 3 November.[3]
There are churches dedicated to Cristiolus at Llangristiolus, Anglesey, together with Eglwyswrw and Penrhydd (Pembrokeshire).[1]
References
- 1.[1.2]"Genealogy of the Saints (Continued)". The Cambro-Briton. 3 (24): 84. 1821. JSTOR 30069046.
- 2.[2.2]"Latin Saints of the Orthodox Patriarchate of Rome". www.orthodoxengland.org.uk. Retrieved 2 April 2026.
- 3."Celtic and Old English Saints - November 2008". celticsaints.org.