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 and Pollux intervention of the Twins. The Roman legend may in fact have had its origins in the Locrian account and possibly supplies further evidence of cultural transmission between Rome and Magna Graecia. The Romans believed that the twins aided them on the battlefield. Their role as horsemen made them particularly attractive to the Roman "equites" and cavalry. Each year on July 15, the feast day of the Dioskouroi, the 1,800 equestrians would parade through the streets of Rome in an elaborate spectacle in which each rider wore full military attire and whatever decorations he had earned. Castor and Pollux are also