Who is Hera from Theogony and Works and Days and what is their importance?

Hera is the daughter of Cronos and Rhea. She is Zeus' sister and becomes his wife. She has three children by Zeus: Hebe, Ares and Eileithyia. She bears Hephaestus alone. Hera raises many monsters, including Hydrea and the Nemean lion. She hates Heracles, particularly when he kills her monsters. Heracles is her step-son and becomes her son-in-law when he marries Hebe after completing his trials and becoming a god.