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
Castor (mountain) Castor (mountain) Castor () is a mountain in the Pennine Alps on the border between Valais, Switzerland and the Aosta Valley in Italy. It is the higher of a pair of twin peaks (), the other being Pollux, named after the Gemini twins of Roman mythology. Castor's peak is at an elevation of , and it lies between Breithorn and the Monte Rosa. It is separated from Pollux by a pass at , named "Passo di Verra" in Italian and "Zwillingsjoch" in German. Ascents are usually made from the alpine hut "Capanna Quintino Sella" on the Italian side, by means