Leda and the Swan
According to Greek legend Leda was Queen of Sparta, married to King Tyndareus. One day she was bathing in a stream when a handsome swan swam up. The swan was Zeus in disguise. He became Leda's lover and she produced a beautiful blue egg, from which were hatched four children, two belonging to Zeus and two to her husband.Zeus's children were Helen, the most beautiful woman on earth, for whom the Trojan war was fought and the hero Polydeuces. The children of Tyndareus were Clymnestra and castor.