...do not actually need to be translated into five languages. You can type them lowercase in CivilizationInfos.
This is what I use for barbarian city names. Just copy-paste them in:
<City>Cholula</City>
<City>Jerusalem</City>
<City>Saigon</City>
<City>Danibaan</City>
<City>Singapore</City>
<City>Lhasa</City>
<City>Yerevan</City>
<City>Ife</City>
<City>Lagos</City>
<City>Jakarta</City>
<City>Edinburgh</City>
<City>Colombo</City>
<City>Szeged</City>
<City>Budapest</City>
<City>Belgrade</City>
<City>Bucharest</City>
<City>Kyzyl</City>
<City>Brunei</City>
<City>Manila</City>
<City>Veii</City>
<City>Garama</City>
<City>Mogadishu</City>
<City>Zanzibar</City>
<City>Riga</City>
<City>Geneva</City>
<City>Tiflis</City>
<City>Cirta</City>
<City>Sofia</City>
<City>Dublin</City>
<City>Bratislava</City>
<City>Kuala Lumpur</City>
<City>Harappa</City>
<City>Mombasa</City>
<City>Ormus</City>
<City>Antananarivo</City>
<City>Malacca</City>
<City>Vilnius</City>
<City>Hanoi</City>
<City>Valletta</City>
<City>Kathmandu</City>
<City>Ragusa</City>
<City>Monaco</City>
<City>Ascalon</City>
<City>Raqmu</City>
<City>Ugarit</City>
<City>Meroë</City>
<City>Ebla</City>
<City>Baku</City>
<City>Apia</City>
<City>Sevastopol</City>
<City>Tallinn</City>
<City>Sarkel</City>
<City>Tongwancheng</City>
<City>Havana</City>
<City>Ngapuhi</City>
<City>Yingkou</City>
<City>Tirana</City>
<City>Ufa</City>
This is what I use for barbarian city names. Just copy-paste them in:
<City>Cholula</City>
<City>Jerusalem</City>
<City>Saigon</City>
<City>Danibaan</City>
<City>Singapore</City>
<City>Lhasa</City>
<City>Yerevan</City>
<City>Ife</City>
<City>Lagos</City>
<City>Jakarta</City>
<City>Edinburgh</City>
<City>Colombo</City>
<City>Szeged</City>
<City>Budapest</City>
<City>Belgrade</City>
<City>Bucharest</City>
<City>Kyzyl</City>
<City>Brunei</City>
<City>Manila</City>
<City>Veii</City>
<City>Garama</City>
<City>Mogadishu</City>
<City>Zanzibar</City>
<City>Riga</City>
<City>Geneva</City>
<City>Tiflis</City>
<City>Cirta</City>
<City>Sofia</City>
<City>Dublin</City>
<City>Bratislava</City>
<City>Kuala Lumpur</City>
<City>Harappa</City>
<City>Mombasa</City>
<City>Ormus</City>
<City>Antananarivo</City>
<City>Malacca</City>
<City>Vilnius</City>
<City>Hanoi</City>
<City>Valletta</City>
<City>Kathmandu</City>
<City>Ragusa</City>
<City>Monaco</City>
<City>Ascalon</City>
<City>Raqmu</City>
<City>Ugarit</City>
<City>Meroë</City>
<City>Ebla</City>
<City>Baku</City>
<City>Apia</City>
<City>Sevastopol</City>
<City>Tallinn</City>
<City>Sarkel</City>
<City>Tongwancheng</City>
<City>Havana</City>
<City>Ngapuhi</City>
<City>Yingkou</City>
<City>Tirana</City>
<City>Ufa</City>