Leda (mythology) and by him, mother of Helen of Troy, Clytemnestra, and Castor and Pollux (also spelled "Castor and Polydeuces"). Leda also had other daughters by Tyndareus: Timandra, Phoebe, and Philonoe. Leda was admired by Zeus, who seduced her in the guise of a swan. As a swan, Zeus fell into her arms for protection from a pursuing eagle. Their consummation, on the same night as Leda lay with her husband Tyndareus, resulted in two eggs from which hatched Helen (later known as the beautiful "Helen of Troy"), Clytemnestra, and Castor and Pollux (also known as the Dioscuri). Which children are the
Pollux (mountain) Pollux (mountain) Pollux () is a mountain in the Pennine Alps on the border between Valais, Switzerland and the Aosta Valley in Italy. It is the lower of a pair of twin peaks (), the other being Castor, named after the Gemini twins of Roman mythology. Pollux' peak is at an elevation of . It is separated from Castor by a pass at , named "Passo di Verra" in Italian, "Col de Verra" in French and "Zwillingsjoch" in German. The first ascent was by Jules Jacot from Geneva with guides Josef-Marie Perren and Peter Taugwalder (father) on August 1 (the