IGN Article

[Antiochius]

yes, that`s a good question. I believe that the develpoers will make more factions in america.They havn`t decided everything til yet.

[The Blind King of Bohemia]

I can see some other factions making such as Aragon, Burgundy, maybe Genoa and Sweden, another indian faction and perhaps the Crusader States, Armenians and Serbs. But maybe only in a non-playable role. I hope anyway. I am surprised Scotland has made it but a good surprised as i thought another faction might pip them for the faction slots but things still might change.