Nightbringer | The Arthurian Online Encyclopedia

Bloisine

Bloiesine

Daughter of Urbin of the Mountain (Urpin) and sister of Brun, a knight killed by Gawaine.

To avenge her brother, she plotted Gawaine’s murder, but she eventually fell in love with Gawaine.


Source
Fourth Continuation of Chrétien’s Perceval | Gerbert de Montreuil, c. 1230