for e g. here is post Iron Age Croatian from 4th century AD which is clearly Illyrian because it has same genetics as IA ones.
Distance to: Illyrians:SIMULATED_Croatia_Scitarjevo:R3659___AD_ 313___Coverage_44.68%
0.01619741 Italian_Veneto
0.01714874 Italian_Trentino-Alto-Adige
0.01857600 Italian_Northeast
0.01885922 Italian_Piedmont
0.02022705 Italian_Bergamo

