The plural of "Roma's" (indicating possession, as in something belonging to Roma) would typically be "Roma's" when referring to multiple items belonging to more than one Roma. However, if you're seeking the plural of "Roma" (the people or the city), it remains "Roma," as the term is already plural in context.
Haris Romas is 186 cm.
Romas Dalinkevičius was born in 1950.
Romas Dalinkevičius died in 2001.
Romas Petrukanecas was born in 1973.
Romas Ubartas was born in 1960.
Romas Kalanta was born in 1953.
Romas Kalanta died in 1972.
Romas Dressler was born on 1987-10-16.
Romas Mažeikis was born on 1964-04-28.
Haris Romas's birth name is Haralambos Rassias.
Romas Gudaitis has written: 'Lemties broliai' 'Kartos'
Haris Romas was born on March 23, 1960, in Piraeus, Greece.