|Terthys, goddess of fresh water|
Terthys or Tethys a daughter of Uranus (sky) and Gaea (earth). Terthys consort was her brother Oceanus, by whom she conceived the Potamoi (rivers), Oceanides (spring, streams and fountains) and Nephelai (clouds). Terthys was goddess of the sources fresh water which nourished the earth. Terthys was imagined feeding her children's streams by drawing water from Oceanus through subterranean aquifers.
Terthys also educated Hera, who was brought to her by Rhea.