Ioannes 317 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M IX |
| Dates | 855 (taq) / 855 (tpq) |
| Variant Names | Iohannes |
| Religion | Christian |
| Locations | Rome (officeplace); Rome (residence); Rome |
| Occupation | Priest |
| Titles | Priest, Rome (office) |
| Textual Sources | Liber Pontificalis, ed. L. Duchesne, Le liber pontificalis. Texte, introduction et commentaire, 2 vols. (Paris, 1886-92); re-issued with 3rd vol. by C. Vogel, (Paris, 1955-57) (chronicle) |
Ioannes 317 was a priest at Rome; he and another priest, Hadrianus (Hadrianos 12), were condemned for criminal conduct and deposed by pope Leo IV (Leo 121); in 855 the bishop elect of Rome, Benedict III (Benediktos 7), was delivered into their custody by Anastasius (Anastasios 25): Lib. Pont. 106. 14 ("
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