Helen of Troy refuge with Leda. The swan gained her affection, and the two mated. Leda then produced an egg, from which Helen emerged. The First Vatican Mythographer introduces the notion that two eggs came from the union: one containing Castor and Pollux; one with Helen and Clytemnestra. Nevertheless, the same author earlier states that Helen, Castor and Pollux were produced from a single egg. Pseudo-Apollodorus states that Leda had intercourse with both Zeus and Tyndareus the night she conceived Helen. On the other hand, in the "Cypria", part of the Epic Cycle, Helen was the daughter of Zeus and the goddess Nemesis.
Helen of Troy Troy's walls. Thus, Helen waited in Memphis for ten years, while the Greeks and the Trojans fought. Following the conclusion of the Trojan War, Menelaus sailed to Memphis, where Proteus reunited him with Helen. When he discovered that his wife was missing, Menelaus called upon all the other suitors to fulfill their oaths, thus beginning the Trojan War. The Greek fleet gathered in Aulis, but the ships could not sail for lack of wind. Artemis was enraged by a sacrilege, and only the sacrifice of Agamemnon's daughter, Iphigenia, could appease her. In Euripides "Iphigenia in Aulis", Clytemnestra, Iphigenia's mother and