As I have now discovered, cultures are hardcoded. Therefore I have now had to rearrange the factions to fit into their appropriate cultures. The Bohemians have been left out due to a lack of space in their particular culture.
Roman Culture=Crusader Culture
Senate=Papacy
Julii=Hospitaller
Brutii=Teutonic
Scipii=Dragon
Barbarian Culture=Western Catholic Culture
Britannia=England
Dacia=Italy
Gaul=France
Germania=HRE
Scythia=Aragon
Spain=Castile
Greek Culture=Central Catholic Culture
Greek Cities=Hungary
Seleucid Empire=Germany
Thrace=Danes
Macedon=Poland
Egyptian Culture=Tartar Culture
Egypt=Mongols
Phoenician Culture=Orthodox Culture
Carthage=(available)
Numidia=Russia
Eastern Culture=Muslim Culture
Parthians=Turks
Armenians=Mamluks
Pontics=Moors
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