2023年3月10日 · Family. A daughter of the primordial deities Gaia and Uranus, [7] Tethys was one of twelve Titans, the others being Coeus, Crius, Cronus, Hyperion, Iapetus, Thea, Rhea, Themis, Mnemosyne, Phoebe and Oceanus. Tethys’ siblings also included the horrific one-eyed Cyclopes and the equally detested Hecatoncheires —monsters with a hundred hands each.