Cadwalader

Cadwaladr ap Cadwallon or Cadwaladr Fendigaid was a late seventh-century king of Gwynedd, who reigned from the middle of the century until his death in 682. Little is known of his reign, but he later became a mythical redeemer figure in medieval Welsh literature following his depiction in the De gestis Britonum by Geoffrey of Monmouth. In Geoffrey's narrative, Cadwaladr was the last native Briton to be King of Britain, and renounced his throne in 689 to go on pilgrimage to Rome after an angel pr