Decimius G. Official under Constantius II
Under Constantius II he was consularis of the province Baetica (CIL II 2206). In AD 361, he was temporarily praefectus praetorio Galliarum in place of Nebridius, who had refused to give allegiance to Julian, and then again in 363-366 (Amm. Marc. 21,8,1; 26,5,5). PLRE 1, 392 (G. 4).