Original sentence: The Macedonians are primarily the descendants of the Slavic tribes which settled Macedonia during the Middle Ages, but it is likely that their ancestry includes an element of autochthonous groups such as the Thracians, Illyrians, Paionians, and later groups such as the Bulgars,Kumans,Pecheneg and other Turkic tribes
Edited sentence: The Macedonians are primarily the descendants of the Slavic tribes which settled Macedonia during the Middle Ages, but it is likely that their ancestry includes an element of autochthonous groups such as the Thracians, Illyrians, Paionians, Ancient Macedonians, and later groups such as the Bulgars,Kumans,Pecheneg and other Turkic tribes