One of the usual arguments being raised by the few supporters of the alleged non-Greekness of ancient Macedonians mention references by Isocrates in his letter to Philip II of Macedon. Specifically the usage by Isocrates of the phrases “Αλλόφυλον το Γένος”, “Ουχ Ομοφύλου γένους”. We are going to examine the validity of this argument and whether it constitutes an indication of non-greekness of Macedonia. […]