Castor and Pollux in Wikipedia

Castor (pronounced /ˈkæstər/; Latin: Castōr; Greek: Κάστωρ, Kastōr, "beaver") and Pollux (/ˈpɒləks/; Latin: Pollūx) or Polydeuces (/ˌpɒlɨˈdjuːsiːz/; Greek: Πολυδεύκης, Poludeukēs, "much sweet wine"[1]) were twin brothers in Greek and Roman mythology and collectively known as the Dioskouroi. They were the sons of Leda by Tyndareus and Zeus respectively, the brothers of Helen of Troy and Clytemnestra, and the half- brothers of Timandra, Phoebe, Heracles, and Philonoe. They are known collectively in Greek as the Dioscuri (/daɪˈɒskjəraɪ/; Latin: Dioscūrī; Greek: Διόσκουροι, Dioskouroi, "sons of Zeus") and in Latin as the Gemini (/ˈdʒɛmɨnaɪ/; "twins") or Castores (/ˈkæstəriːz/). They are sometimes also termed the Tyndaridae or Tyndarids (/tɪnˈdɛrɨdiː/ or /ˈtɪndərɪdz/; Τυνδαρίδαι, Tundaridai), later seen as a reference to their father and stepfather Tyndareus...

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