The faithful and devoted wife of the evil King Roaz of Glois. She was a beautiful Asian woman.
When Wigalois (Gawain’s son) killed her husband, she died from sorrow. Her brothers, Zaradech and Panschavar, came from Asia to retrieve her body, and they became Wigalois’s companions.
Source
Wigalois | Wirnt von Grafenberg, early 13th century