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 on Mount Aenos. Although most oracle sites were usually dedicated to Apollo, the heroes, or various goddesses like Themis, a few oracular sites were dedicated to Zeus. In addition, some foreign oracles, such as Baʿal's at Heliopolis, were associated with Zeus in Greek or Jupiter in Latin. The cult of Zeus at Dodona in Epirus, where there is evidence of religious activity from the second millennium BC onward, centered on a sacred oak. When the "Odyssey" was composed (circa 750 BC), divination was done there by barefoot priests called "Selloi", who lay on the ground and observed the rustling of