Moved from Britain to Brittany to become the spiritual student of his uncle Saint Paul Aurelian. Monk at Landevennec, Brittany (in modern France). Co-adjutor bishop with, and successor to Saint Paul. At least two churches in Brittany are dedicated to him.
- 6th century Romano-Briton
- “Saint Joavan of Brittany“. CatholicSaints.Info. 1 March 2010. Web. 2 September 2015. <>