phillip II of macedon died @ age 33

• Philip I of Macedon (ruled 640-602 BC)
• Philip II of Macedon (382-336 BC), father of Alexander the Great
• Philip III of Macedon (c. 359-316 BC)
• Philip IV of Macedon (died 297 BC)
• Philip V of Macedon (ruled 221-179 BC)

If you're referring to Philip II of Macedon (father of Alexander the Great and Philip III) he was assassinated and buried in Aigai, Macedon.

Alexander III the Great is the son of Philip II of Macedon.

Philip II of Macedon