In Greek mythology, Iasion /aɪˈeɪʒən/ (Ancient Greek: Ἰασίων, Iasíōn) or Iasus /ˈaɪəsəs/ (Ἴασος, Íasos), also called Eetion /iːˈɛʃən/ (Ἠετίων, Ēetíōn), was usually the son of the nymph Electra and Zeus and brother of Dardanus, although other possible parentage included Zeus and Hemera or Corythus and Electra.