Castor and Pollux

Castor and Pollux
Twin gods, patrons of sailors, associated with horsemanship
Statues of Castor and Pollux (3rd century AD)
Other names	Dioskouroi (Latin, Dioscuri) Gemini Castores Tyndarids Polydeuces (Latin, Pollux) The Two Gods
Major cult center	Anakeion
Mount	Horses
Gender	Male
Festivals	Feast of the Dioskouroi (July 15)
Personal information
Parents	Leda (mother) Tyndareus (father of Castor) Zeus–Jupiter (father of Pollux)
Siblings	Timandra, Phoebe, Philonoe, Helen of Troy and Clytemnestra
Equivalents
Etruscan equivalent	Kastur and Pultuce
Indo-European equivalent	Divine twins

Castor^[a] and Pollux^[b] (or Polydeuces)^[c] are twin half-brothers in Greek and Roman mythology, known together as the Dioscuri or Dioskouroi.^[d]

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 (or raped) Leda in the guise of a swan.^[2] The pair are thus an example of heteropaternal superfecundation. 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^[e] ("twins") or Castores,^[f] as well as the Tyndaridae^[g] or Tyndarids.^[h] Pollux asked Zeus to let him share his own immortality with his twin to keep them together, and they were transformed into the constellation Gemini. The pair were regarded as the patrons of sailors, to whom they appeared as St. Elmo's fire. They were also associated with horsemanship, in keeping with their origin as the Indo-European horse twins.

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