The name adopted by Meriadeuc during his early adventures at Arthur’s court.
Ignorant of his true name, he was called Handsome Young Man until knighted by Arthur. He received swords from both Arthur and his future wife, Lady Lore of Cardigan, for which Kay gave him this alias.
Source
Meriadeuc or Le Chevalier aux Deux Épées | c. 1225-1250
