24. Son of Alexander of Megalopolis. His father's pretended descent from Alexander the Great appears to have filled him with the most puerile schemes of ambition. On the marriage of his sister Apama with Amynander, king of Athamania, Philip accompanied her, and contrived to obtain great influence over the mind of Amynander, who gave him the government of Zacynthus, and allowed him to direct in great measure the administration of affairs. When Antiochus came into Greece (B. C. 192) he gained over Philip to his interests by pretending to regard him as the rightful heir to the Macedonian throne, and even holding out to him hopes of establishing him upon it; by which means he obtained the adherence of Amynander also. Philip was afterwards chosen by Antiochus for the duty of burying the bones of the Macedonians and Greeks slain at Cynoscephalae, a measure by which he vainly hoped to conciliate popularity.
He was next appointed to command the garrison at Pellinaeum, but was soon compelled to surrender to the Romans, by whom he was sent a prisoner to Rome. When first taken captive he accidentally met Philip, the king of Macedonia, who in derision greeted him with the royal title. (Liv. 35.47
; Appian. Syr.