Ioannes 581 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M VIII |
| PmbZ No. | 3119 |
| Religion | Iconophile |
| Locations | Daphnousia (deathplace); Daphnousia (exileplace) |
| Occupation | Monk; Soldier |
| Textual Sources | Synaxarium Ecclesiae Constantinopolitanae, Propylaeum ad AASS Novembris, ed. H. Delehaye, (Brussels, 1902) (hagiography) |
Ioannes 581 was a former soldier who became a monk and suffered exile to Daphnousia under the emperor Constantine V (Konstantinos 7) for his support for the veneration of icons; he suffered severe beatings and died from the effects; he is celebrated on the same date as Stephen the Younger (Stephanos 2), i.e. 28 November; he is described as having served on embassies (ἀπὸ λεγαταρίων): Synax. Eccl. Const. 264, 7-10.
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