XEE4181017 Maximian Hercules (Marcus Aurelius Valerius Maximianus) (circa 250-310), Roman emperor, is seized with fear at the sight of Constantine (Constantine I, Flauius Valerius Aurelius Constantinus, 272-306), his son-in-law, whom he thinks he stabbed in his bed in the middle of the night. Engraving in ???eaute de l\'histoire du basse empire??redige by P. J. B. N. 1814. by Unknown Artist, (19th century); Private Collection; (add.info.: Maximian Hercules (Marcus Aurelius Valerius Maximianus) (circa 250-310), Roman emperor, is seized with fear at the sight of Constantine (Constantine I, Flauius Valerius Aurelius Constantinus, 272-306), his son-in-law, whom he thinks he stabbed in his bed in the middle of the night. Engraving in ???eaute de l\'histoire du basse empire??redige by P. J. B. N. 1814.); Stefano Bianchetti.