Peter Charanis.Studies on the demography of the Byzantine empire: collected studies Variorum Reprints, 1972 p223(360):"Thus, every emperor who sat on the Byzantine throne the accession of Basil I to the death of Basil II (867—1025) was of Armenian or partially Armenian origin. But besides the emperors there were many others among the military and political leaders of Byzantine during this period who were Armenians or of Armenian descent"
