not sure if you ahve factions but heres a list:

1. Marquisate of Verona
2. Kingdom of Lombardy
3. Republic of Genoa
4. Republic of Pisa
5. Marquisate of Tuscany
6. Emirate of Cagliari
7. Papal States
8. Duchy of Spoleto
9. Principality of Capua
10. Principality of Benevento
11. Duchy of Amalfi
12. Principality of Salerno
13. Byzantine Empire
14. Emirate of Sicily
15. Holy Roman Empire
16. Republic of Ragusa
17. The Normans
18. Republic of Venice

Emerging:

19. Duchy of Milan
20. Duchy of Florence


thats the best i can do for now!