context: Alexander III of Macedonia (20/21 July 356 - 10/11 June 323SM), better known as Alexander the Great (Greek: Μέγας Ἀλέξανδρος, Mégas Aléxandros) or Iskandar the Great, was the king of the Macedonian Empire ([Βασιλεύς Μακεδόνων] error: {lang -xx}}: text has italic markup (help)), a country in northeastern Greece. At the age of thirty, he led the largest empire in ancient history, stretching from the Ionian Sea to the Himalayas. He was never defeated in battle and is considered the greatest war commander of all time. [1] Alexander was born in Pella in 356 BC and was a student of the famous philosopher, Aristotle. In 336 BC Alexander succeeded his father, Philip II of Macedon, as leader of Macedonia after his father was killed by an assassin. Philip himself had conquered most of the city-states on the mainland of Greece into the Macedonian hegemony, through military and diplomacy.
question: Who is the father of Alexander III?
answers.text: Philip II of Macedon