A British knight in a French lai, who possessed an enchanted ring. This ring enabled him to change into a werewolf and back again. His wife stole the ring when he was in lupine form, trapping him there until her treason was detected.
The knight’s name is probably a variation of Meliant.
See also
Lis | The Legend of King Arthur
Meliant of Lis | The Legend of King Arthur
Marrok | The Legend of King Arthur
Werewolves | Myths and Legends