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 Christian patristic writers took up the suggestion. The epithet Zeus Lykaios ("wolf-Zeus") is assumed by Zeus only in connection with the archaic festival of the Lykaia on the slopes of Mount Lykaion ("Wolf Mountain"), the tallest peak in rustic Arcadia; Zeus had only a formal connection with the rituals and myths of this primitive rite of passage with an ancient threat of cannibalism and the possibility of a werewolf transformation for the ephebes who were the participants. Near the ancient ash-heap where the sacrifices took place was a forbidden precinct in which, allegedly, no shadows were ever cast. According to