Yes, just have to compensate for their internal names. Here's the list.
seleucid - Romani
greek_cities - Koinon Hellenon
thrace - Epeiros
macedon - Makedonia
numidia - Ptolemaioi
romans_julii - Arche Seleukeia
romans_brutii - Baktria
romans_scipii - Hayasdan
carthage - Pontos
pontus - Saka Rauka
armenia - Sauromatae
parthia - Pahlava
dacia - Getai
germans - Sweboz
scythia - Arverni
gauls - Aedui
britons - Casse
spain - Lusotannan
egypt - Qarthadastim
saba - Saba
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