Hellen, in Greek mythology, was the person from which all Hellenes (Greeks) were descended. He was the son of Deucalion and Pyrrha, and his brother was Amphictyon. He had three sons, from whom the Greek tribes originated; Aeolus was the progenitor of the Aeolians; Dorus, progenitor of the Dorians; and Xuthus, through his own sons Achaeus and Ion, the progenitor of the Achaeans and the Ionians respectively.