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.
Zeus beings like Chaos, Nyx, or Ananke. The Charites/Graces were usually considered the daughters of Zeus and Eurynome but they were also said to be daughters of Dionysus and Aphrodite or of Helios and the naiad Aegle. Some accounts say that Ares, Hebe, and Hephaestus were born parthenogenetically. According to one version, Athena is said to be born parthenogenetically. Helen was either the daughter of Leda or Nemesis. Tyche is usually considered a daughter of Aphrodite and Hermes. Zeus played a dominant role, presiding over the Greek Olympian pantheon. He fathered many of the heroes and was featured in many of