Greek Goddess. Sister of Zeus, Poseidon, Hades, Hestia and Demeter. Daughter of Chronos and Rhea. She was a member of the original Twelve Gods on Mount Olympos. She became Zeus' wife, Queen of the Gods, Mother Goddess. Together they had four children, of which Ares and Hephaistos became Olympian Gods. Zeus had doubts, though, with regard to Hephaistos' true parentage.