As a younger son of Amyntas III, he never expected to rule Macedonia--but then his older brother died in battle
Although he had already attained 
his majority, Alexander was very young... [DOC] [TLE] Amyntas III of Macedon - Wikipedia [PAR] Amyntas III was a Macedonian king of Macedon in 393 BC, and again from 392 to 
370 BC.