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 became rulers of Sparta, after Tyndareus and Leda abdicated. Menelaus and Helen rule in Sparta for at least ten years; they have a daughter, Hermione, and (according to some myths) three sons: Aethiolas, Maraphius, and Pleisthenes. The marriage of Helen and Menelaus marks the beginning of the end of the age of heroes. Concluding the catalog of Helen's suitors, Hesiod reports Zeus' plan to obliterate the race of men and the heroes in particular. The Trojan War, caused by Helen's elopement with Paris, is going to be his means to this end. Paris, a Trojan prince, came to Sparta to