Tethys seems to be somewhat removed from the rest of her family. As the oldest titaness, she could take on the stern guiding hand that Demeter often showed in her talks with Zagreus. The Titan of ...

Homer claims Oceanus and Tethys, pictured in the lower half of this mosaic, were responsible for the birth of the gods, but Hesiod's version of the origins is generally accepted (see Gypsy Girl).

With Uranus, god of the sky, Gaea gave birth to the Titans, 12 gods that included Oceanus and Tethys.