(Ἡλιόδωρος), the treasurer of Seleucus Philopator, king of Syria, murdered his master, and attempted to seize the crown for himself, but was expelled by Eumenes and Attalus, of Pergamus, who established Antiochus Epiphanes in the kingdom, B. C. 175. (Appian, App. Syr. 45; Liv. 41.24.) The well-known story of his being sent by Seleucus to rob the temple at Jerusalem, and of his miraculous punishment (2 Maccab. iii.), is rendered somewhat suspicious by the silence of Josephus. The author of the anonymous work on the Maccabees tells the story of Apollonius, instead of Heliodorus, and says nothing about the miraculous part of it. De Maccab. 4.)