Leda/Definition

From Greek mythology, she was the wife of Tyndareus and mother of Clytemnestra and Helen of Troy, and had two sons Castor and Pollux. Zeus made himself look like a swan, and Helen was hatched from an egg. Source: Elizabeth Vandiver, Classics scholar, authority on Greek mythology and Greek tragedy, including the Iliad, Odyssey, Aeneid, Homer, and Virgil. This definition is based on her course Classical Mythology for The Teaching Company.