Minervina was the wife or mistress of Constantine. Flavius Valerius Aurelius Constantinus (27 February ca. 272 &ndash 22 May 337 commonly known as Constantine I, Constantine the Great, or Saint Constantine She had one son, Crispus. Flavius Julius Crispus, also known as Flavius Claudius Crispus and Flavius Valerius Crispus was a Caesar of the Roman Empire. When Constantine wanted to strengthen his bonds with the Tetrarchs, he set apart Minervina and married Fausta, daughter of Maximian. Tetrarchy ( Greek: "leadership of four " can be applied to any system of government where power is divided between four individuals Fausta Flavia Maxima, Roman Empress (289-326AD She was the daughter of the Roman Emperor Maximianus. Marcus Aurelius Valerius Maximianus Herculius (c 250 &ndash c