Edited sentence: Most of the male ancestors of those aformentioned nations are in fact Serbs (the same can't be said for their female ancestors who were taken by Serbian victorious soldiers following the great  reconquista in the 19th century of lost lands that once formed the Serbian Empire).The Serb habitation of the Balkans predates the existence of - and has colonized each of - the contemporary Albanian, Bulgarian, Montenegrin, Macedonian, and Bosnian nations (all of whom were created after the introduction of Turkic populations in the Balkans)