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.
HMS Leda (1800) she lost her rudder and bilged. In the morning "Leda" was able to rescue the survivors from "King George" and , , and sent their boats and were able to rescue about 400 people from "Britannia", including Captain Brisk, his crew, and recruits for the EIC's armies. The British fleet, including "Leda", arrived in Table Bay on 5 January 1806 and anchored off Robben Island. "Leda" supported the landing of the troops. On 6 January 1807 "Leda" was in company with and at the capture of "Ann", Denning, master. "Leda" shared in the capture of the "Rolla" on 21 February.