Saint Cadoc or Cadog (born about 497), Abbot of Llancarfan, was one of the 6th century Welsh saints, whose vita twice mentions King Arthur. The Abbey of Llancarfan, near Cowbridge in Glamorganshire, which he founded circa 518, became famous as a centre of learning. The prefix of his name means 'battle'. Cadoc's story appears in a Vita Cadoci written shortly before 1086 by Lifris of Llancarfan; "it was clearly written at Llancarfan with the purpose of honoring the house and confirming its endowm… (More on Cadoc)