Jupiter and Thetis, by Jean Auguste Dominique Ingres

Thetis (Greek Θέτις) is a nereid (sea nymph) in Greek mythology. She is a daughter of Nereus and Doris. She is married to Peleus and with him the mother of Achilles.Some stories say that she dipped Archilles in the river Styx when he was a child to make him invulnerable. view more...