In Greek mythology, Helen of Troy, Helen, Helena,, also known as beautiful Helen, Helen of Argos, or Helen of Sparta, was said to have been the most beautiful woman in the world. She was believed to have been the daughter of Zeus and Leda, and was the sister of Clytemnestra, Castor and Pollux, Philonoe, Phoebe and Timandra. She was married to King Menelaus of Sparta "who became by her the father of Hermione, and, according to others, of Nicostratus also."