KETO (Ceto) was an Indian Okeanid- and Naiad-nymph loved by the sun-god Helios. Their daughter Astris was the star-nymph wife of the Indian river Hydaspes.
OKEANOS (Nonnus Dionysiaca 26.350)
CLASSICAL LITERATURE QUOTES
Nonnus, Dionysiaca 26. 350 ff (trans. Rouse) (Greek epic C5th A.D.) :
"Astris daughter of Helios (the Sun), happy in her offspring--men say that her mother was Keto (Ceto), a Naias (Naiad) daughter of Okeanos (Oceanus)."
- Nonnus, Dionysiaca - Greek Epic C5th A.D.