Claim: Amyntas IV was a prince of the kingdom of Macedonia in 359 BC and member of the Argead dynasty.
Evidence: Amyntas IV (Greek: Ἀμύντας Δ΄) was a titular king of the kingdom of Macedonia in 359 BC and member of the Argead dynasty. 
In that same year Philip declared himself king of Macedonia, expropriating his young nephew. Argead dynasty