(Ἀριαπείθης), a king of the Scythians, the father of Scyles, was treacherously killed by Spargapeithes, the king of the Agathyrsi. Ariapeithes was a contemporary of Herodotus, for he tells us that he had from Tinines, the guardian of Ariapeithes, an account of the family of Anacharsis. (Hdt. 4.76, 78.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890