Every 7 years, this figure adds a stitch to a linen chemise while imprisoned in a rock, awaiting a man brave enough to remove the golden key in her mouth. This figure used magic to construct a castle depicted on the March miniature of the Très Riches Heures (“tray reesh urr”) du Duc de Berry. The Good Knight of England fails to retrieve a treasure guarded by this figure’s sister, Palatyne, who awaits the arrival of this figure’s son, Geoffrey of the Great Tooth. This figure joins her sisters in trapping their father, King Elynas, under a mountain, resulting in their exile from Avalon. A prose romance by (*) Jean d’Arras (“dah-RAHSS”) follows this ancestor of the Houses of Anjou, Lusignan (10[1])(“loo-seen-YAWN”), and Luxembourg. This figure flew out of a window after learning that her husband, Raymund, entered her chambers on a Saturday and discovered her supernatural form while she bathed. For 10 points, name this French water fae cursed with the lower body of a serpent. ■END■