Clytemnestra produced four offspring from two eggs: Castor and Clytemnestra from one egg, and Helen and Polydeuces (Pollux) from the other. Therefore, Castor and Clytemnestra were fathered by Tyndareus, whereas Helen and Polydeuces were fathered by Zeus. Agamemnon and his brother Menelaus were in exile at the home of Tyndareus; in due time Agamemnon married Clytemnestra and Menelaus married Helen. In a late variation, Euripides's "Iphigenia at Aulis", Clytemnestra's first husband was Tantalus, King of Pisa; Agamemnon killed him and Clytemnestra's infant son, then made Clytemnestra his wife. In another version, her first husband was King of Lydia. The kings of
Giants (Greek mythology) appearance, with long hair and beards and scaly feet. Ovid makes them "serpent-footed" with a "hundred arms", and Nonnus has them "serpent-haired". The most important divine struggle in Greek mythology was the Gigantomachy, the battle fought between the Giants and the Olympian gods for supremacy of the cosmos. It is primarily for this battle that the Giants are known, and its importance to Greek culture is attested by the frequent depiction of the Gigantomachy in Greek art. The references to the Gigantomachy in archaic sources are sparse. Neither Homer nor Hesiod mention anything about the Giants battling the gods. Homer's