A Dictionary of Greek and Roman biography and mythology

36. Of NICOMEDEIA. He held the office of chartophylax (record-keeper) in the Great Church at Constantinople, whence he is sometimes called Georgius Chartophylax (but he must not be confounded with Georgius Chartophylax Callipolitanus [No. 11]), and was afterwards archbishop of Nicomedeia. He lived in the latter part of the ninth century, and was the friend of Photius, many of whose letters are addressed to him. Combefis has confounded him with Georgius Pisida [No. 44], and has placed him in the reign of Heraclius, two centuries before his proper period.