Huail

Huail, son of Caw of Prydyn, was a prince and warrior of the North, brother of Saint Gildas, driven out with his family by the Picts and Scots and welcomed by King Maelgwn Gwynedd. The Life of Gildas by the monk of Rhuys calls him Cuillus; another text says he was killed by King Arthur, whom he had harried. A late Welsh tale, without historical value, says Arthur had him beheaded on the stone called Maen Huail in Ruthin over a remark made in jest. Tradition calls him a martyr. The veneration is local, without synodal canonization.