ins ▁all ▁suppose ▁a ▁Pale o - B alk an ic ▁main ▁origin , ▁but ▁they ▁vary ▁between ▁att rib uting ▁this ▁origin ▁to ▁Il ly ri ans , ▁Th ra ci ans , ▁Da ci ans , ▁or ▁another ▁Pale o - B alk an ▁people ▁whose ▁language ▁was ▁un att ested ; ▁among ▁those ▁who ▁support ▁an ▁Il ly rian ▁origin , ▁there ▁is ▁a ▁distinction ▁between ▁the ▁theory ▁of ▁continu ity ▁from ▁Il ly rian ▁times , ▁and ▁those ▁propos ing ▁an ▁in - m igration ▁of ▁a ▁different ▁Il ly rian ▁population . ▁These ▁propos itions ▁are ▁however ▁not ▁mut ually ▁exclusive . ▁Contempor ary ▁histor ians ▁generally ▁agree ▁that , ▁like ▁all ▁B alk an ▁pe op les , ▁the ▁Alban ians ▁are ▁not ▁descend ants ▁of ▁a ▁single ▁ancient ▁population . ▁A part ▁from ▁the ▁main ▁ancest ors ▁among ▁pre histor ic ▁B alk an ▁populations , ▁there ▁is ▁an ▁additional ▁ad mi xture ▁from ▁S lav ic , ▁Greek , ▁V lach , ▁Ital o - R oman , ▁C elt ic ▁and ▁German ic ▁elements . ▁Studies ▁in ▁gen etic ▁anth rop ology ▁show ▁that ▁the ▁Alban ians ▁share ▁similar ▁ancest ry ▁to ▁many ▁other ▁Europe ans , ▁and ▁especially ▁other ▁pe op les ▁of ▁the ▁B alk ans . ▁The ▁Alban ians ▁are ▁also ▁one ▁of ▁Europe ' s ▁populations ▁with ▁the ▁highest ▁number ▁of ▁common ▁ancest ors ▁within ▁their ▁own ▁eth nic ▁group ▁even ▁though ▁they ▁share ▁ancest ors ▁with ▁other ▁eth nic