in the preface to malorys le morte darthur there are singled out , from all the worlds history , nine great men , the nine worthies : hector of troy , alexander the great , julius caesar ( the roman general who became a god ) - all from the classical world joshua , king david , judas maccabaeus ( the hammer of the syrians ) - all great leaders of israel king arthur , charlemagne , and godfrey de bouillon ( the first crusader king of jerusalem ) - all great medieval heroes .