He founded the church of St Breock in Cornwall then settled in Brittany, founding a monastery at Landebaeron and an oratory at St Brieuc-des-Vaux, where he eventually became the abbot of a monastery.
He founded the church of St Breock in Cornwall, but eventually settled in Brittany where he founded a monastery at Landebaeron. He then went to Upper Brittany and established an oratory at a place still referred to as St Brieuc-des-Vaux where he eventually became the abbot of a monastery.