Hera's foster mother in Tethys.

During the Titan War, Rhea brought the young Hera to the couple to raise them. When Zeus had sex with Callisto, Hera turned it into a female bear. In the future, Zeus turned Callisto and his son Arcaz into Ursa Major and Ursa Minor. Hera was jealous and ran to Tethys's house to act like a spoiled brat, telling her that Crystal had ruined her relationship with Zeus. Tethys of Hera made these two constellations never lower than sea level.