Castor and Pollux Castor and Pollux Castor and Pollux (or in Greek, Polydeuces) were twin half-brothers in Greek and Roman mythology, known together as the Dioscuri. Their mother was Leda, but they had different fathers; Castor was the mortal son of Tyndareus, the king of Sparta, while Pollux was the divine son of Zeus, who seduced Leda in the guise of a swan. Though accounts of their birth are varied, they are sometimes said to have been born from an egg, along with their twin sisters Helen of Troy and Clytemnestra. In Latin the twins are also known as the Gemini (literally "twins")
Leda (river) 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 (a branch of the Soeste) near the town of Barßel. The Leda flows into the Ems near the town of Leer. On the southern bank of the Leda, in the "Overledingen Land" (Overledingen="country over the Leda"), opposite Leer, lies the small settlement of Kloster Muhde ("Muhde" from the Old Frisian "mutha" meaning "(river) mouth"). The total length of the river is ( including the