Pope Stephen VI was the bishop of Rome and ruler of the Papal States from 22 May 896 to his death. He is best known for instigating the Cadaver Synod, which ultimately led to his downfall and death.
Jean-Paul Laurens, Le Pape Formose et Étienne VI, 1870; Stephen (at left) accuses the corpse of his predecessor Formosus (seated right)