The only son of Maximian, son-in-law of Galerius, he was passed by for promotion by the succeeding emperors. When Galerius raised taxes in the Empire and revoked the tax-exempt status of the people of Rome, the people revolted. Maxentius was chosen by the people to lead the revolt. He managed to seize North Africa, all of Italy and Spain. Ultimately he was declared a public enemy. In 312 his army was attacked by that of Licinius and Constantine. He was defeated and killed.