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 (river) source rivers Sagter Ems and Ohe). The lower until the port of Leer are navigable for large (Class Vb) ships, a further 7 km until the mouth of the Jümme for Class II ships and a further 16 km until the Elisabethfehnkanal are navigable but not classified.. In East Frisia the Sagter Ems, a headstream of the Leda, is also known as the Leda. Leda (river) The Leda is a river in north-western Germany in the state of Lower Saxony. It is a right tributary of the Ems and originates at the confluence of the Sagter Ems and the Dreyschloot