id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-1909 Alexander IV of Macedon - Wikipedia .html text/html 2810 694 68 Father Alexander III of Macedon While the infantry supported Alexander the Great's half-brother Philip III (who had some unknown cognitive disability present throughout his life[6]), the chiliarch Perdiccas, commander of the elite Companion cavalry, persuaded them to wait in the hope that Roxana's child would be male. When Antipater died in 319 BC he left Polyperchon, a Macedonian general who had served under Philip II and Alexander the Great, as his successor, passing over his own son, Cassander. Cassander allied himself with Ptolemy Soter, Antigonus and Eurydice, the ambitious wife of king Philip Arrhidaeus, and declared war upon the Regency. When the general peace between Cassander, Antigonus, Ptolemy, and Lysimachus put an end to the Third Diadoch War in 311 BC, the peace treaty recognized Alexander IV's rights and explicitly stated that when he came of age he would succeed Cassander as ruler. Alexander III the Great ./cache/en-wikipedia-org-1909.html ./txt/en-wikipedia-org-1909.txt