would have been sent.22 Heliodorus is known from an inscription as the son of Aeschylos from Antioch. He was brought up with Seleucus and placed as chancellor of the realm (σύντροφος βασιλέως Σελεύκου τεταγμένος δὲ καὶ ἐπὶ τῶν πραγμάτων).23 Heliodorus himself dedicated some valuable vases to Apollo at Delos.24 He is reported to have assassinated Seleucus IV in September 175 and may have attempted to gain the throne (Appian Syr. 45). However, Édouard Will has argued that the speed of Antiochus