Elyas, Helianz
A knight in the service of Morgan le Fay.
Sir Helians was sent by Morgan with three others, including his brother Kaz, to kill the young Alexander the Orphan (Alisander le Orphelin) at the behest of King Mark of Cornwall. All three were defeated.
Sources
Prose Tristan | 1230-1240
Les Prophecies de Merlin | Richart d’Irlande, 1272-1279
Le Morte Darthur | Sir Thomas Malory, 1469-1470