Callirhoe
Καλλιρόη
The Oceanid who married Chrysaor of the golden sword and bore three-bodied Geryon.
Her name means "beautifully flowing water," and springs all over Greece bore it.
According to Hesiod, she married Chrysaor, born from the neck of Medusa, and bore Geryon.
From a monster's son and a daughter of water came a giant with three bodies joined — and his cattle became the tenth labor of Heracles.
SourcesHesiod, Theogony