To the people of Atlantis she is Princess Naia, half-mortal daughter of the Oceanid Queen Metis and her long-lost human consort.    From Wordnik.com.  [The Legion of American Watchers] Reference

Tradition, as reported by the Greek traveller, Pausanias, identified her with the Oceanid, or "daughter of Ocean", of Greek poetry.    From Wordnik.com.  [TotalVideoGames.com] Reference