XEE4169806 Louis I The Pious or The Debonnaire (778-840) at the knees of Pope Stephen V (Stefano, pope from 896 to 897). Engraving in ???istoire des Papes-Rois-Queen and Empereurs a travers les centuries??????by Maurice Lachatre, 1863. by French School, (19th century); Private Collection; (add.info.: Louis I The Pious or The Debonnaire (778-840) at the knees of Pope Stephen V (Stefano, pope from 896 to 897), Engraving in ???istory of the Pope-King-Queen-and-Emperors through the centuries??by Maurice Lachatre, 1863,); Stefano Bianchetti.