(supp. fl. 6th/7th century)
A saint of Breton origin who is the subject of a Middle Cornish play, Beunans Meriasek, according to which he performed many miracles during his time in Cornwall and later returned to Brittany to become bishop of Vannes. In some Breton sources, his feast-day is 7 June, while in Camborne, it used to be celebrated on the first Friday of June.