Question: Who is Philip Iii Of Macedon's paternal grandfather?
Sentence (from "Philip II of Macedon"): After defeating the Greek city-states of Athens and Thebes at the Battle of Chaeronea in 338 BC, Philip II led the effort to establish a federation of Greek states known as the League of Corinth, with him as the elected hegemon and commander-in-chief of Greece for a planned invasion of the Achaemenid Empire of Persia.
Relevant evidence: No