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.
Leda (river) Leda (river) The Leda is a river in north-western Germany in the state of Lower Saxony. It is a right tributary of the Ems and originates at the confluence of the Sagter Ems and the Dreyschloot (a branch of the Soeste) near the town of Barßel. The Leda flows into the Ems near the town of Leer. On the southern bank of the Leda, in the "Overledingen Land" (Overledingen="country over the Leda"), opposite Leer, lies the small settlement of Kloster Muhde ("Muhde" from the Old Frisian "mutha" meaning "(river) mouth"). The total length of the river is ( including the