Original sentence: However, literary sources report the massive walls of Byllis as an Illyrian rather than Epirote or Macedonian foundation.It has been conjectured that Byllis was an Ancient Greek foundation on the territory of a barbarian people, as suggested by the predominantly Greek character of the city in the vast majority of the corpus of the names in Hellenistic epigraphic material, which mainly belong to the northern Greek onomastic area, with the presence of a few Illyrian names
Edited sentence: According to M.According to Tom Winnifrith, literary sources report the massive walls of Byllis as an Illyrian rather than Epirote or Macedonian foundation.Hatzopoulos, Byllis is the northernmost non-colonial Greek city in the region.Several scholars have suggested Byllis was an Ancient Greek foundation on the territory of a barbarian people, as suggested by the predominantly Greek character of the city in the vast majority of the corpus of the names in Hellenistic epigraphic material, which mainly belong to the northern Greek onomastic area.This important testimony to the basically Greek character of the inhabitants of the city is not invalidated by the presence of a few Illyrian names