Ingenuus was born in 210. The exact name of Ingenuus is unknown. Ingenuus became the emperor of the Roman state in 260 BC.
Ingenuus, during his time, the Roman state was undergoing a distressing process. In particular, the military commanders proclaimed themselves emperors and engaged in civil wars in the Roman state. Ingenuus was one of these commanders. Ingenuus, after Valerian died, he declared himself a Roman emperor. Ingenuus has made private money for himself. But Gallienus started a war against Ingenuus. Ingenuus and Gallienus fought. Gallienus won this war. Ingenuus was killed by Gallienus's soldiers during the war.