Bleevine, Blenined, Blevine
She was the Damsel of Glocedon Castle (Glouchedon) and a cousin of the Damsel of Hongrefort.
At Galdon Castle, Sir Bors saved Benigne from being drowned by knights who had already slain her lover (the Vulgate Lancelot says he saved her from being beated by a pack of peasants). Shortly thereafter, she joined her cousin of Hongrefort, who was searching for Sir Bors.
Source
Vulgate Lancelot | 1215-1230