These are just some ideas for other emergent factions in the mod.
Riga: Livonian Confederation(others could be the Livonian Order, Archbishopric of Riga or Terra Mariana) https://en.wikipedia.org/wiki/Terra_Mariana
Hamburg: Free City of Hamburg
Frankfurt: Free City of Frankfurt
Kursk: Principality of Kursk
Candia: Crete
Famagusta: Kingdom of Cyprus
Antioch: Principality of Antioch
Malatva: Eretnid Beyliks
Antalya: Teke Beyliks
Iconium: Karamanid Beyliks
Smyrna: Aydinid Beyliks
Dorylaion: Geriymanid Beyliks
Sinope: Pervaneoglu Beyliks
Naples: Kingdom of Naples(instead of Benevento)
Palma: Kingdom of Majorca