Temple of Castor and Pollux Temple of Castor and Pollux The Temple of Castor and Pollux () is an ancient temple in the Roman Forum, Rome, central Italy. It was originally built in gratitude for victory at the Battle of Lake Regillus (495 BC). Castor and Pollux (Greek Polydeuces) were the Dioscuri, the "twins" of Gemini, the twin sons of Zeus (Jupiter) and Leda. Their cult came to Rome from Greece via Magna Graecia and the Greek culture of Southern Italy. The Roman temple is one of a number of known Dioscuri temples remaining from antiquity. The last king of Rome, Lucius Tarquinius Superbus, and
Leda and the Swan (Peter Paul Rubens) she is most known for giving birth to Clytemnestra, Helen, Pollux, and Castor. The most common myth claims that Zeus transformed himself into a swan to couple with Leda. Some versions claim that she loved Zeus and willing had sexual relations with him, while other versions claim she was seduced and therefore was not willing. That same night, she coupled with Tyndareus also. Leda then gave birth to four children at the same time. The two pairs of twins resulted in Helen and Pollux belonging to Zeus, and Clytemnestra and Castor belonging to Tyndareus. Though each pair is attributed to