Meliant de Lis (variants include Melianz, Melians and Melyans) is a minor character in several Arthurian romances. In The Livre de Artus, Gawain's lover Floree marries Melianz de Lis. In the Vulgate Lancelot, the second romance of the Vulgate Cycle, Carado of the Dolorous Tower takes Melyans le Gai's wife as his mistress. In the Queste, the third romance of the cycle, Galahad, Bors and Percival are joined at Castle Corbenic by nine other knights, one of whom is Melians de Danemarche.
References
Meliant de Lis Wikipedia(Text) CC BY-SA