Magnus Maximus Augustus of the Western Roman Empire Solidus of Magnus Maximus. Emperor of the Roman Empire Reign 384 – August 28, 388 (4 years) Coronation 383 (as usurper) Predecessor Gratian Successor Theodosius I Co-emperors Theodosius I (384-388) Valentinian II (384–388) Flavius Victor (384–388) Born c.335 Hispania Gallaecia Died (388-08-28)August 28, 388 Aquileia, Venetia et Histria Spouse Elen (traditional) Issue Flavius Victor "Sevira" "Maxima" Full name Flavius Magnus Maximus Augustus Regnal name Imperator Caesar Flavius Magnus Maximus Augustus Dynasty none Religion Christianity