Ioannes 464 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E IX |
| Dates | 816 (taq) / 826 (taq) |
| PmbZ No. | 3206 |
| Locations | Stoudios (Monastery of, Constantinople); Stoudios (Monastery of, Constantinople) (residence) |
| Occupation | Monk |
| Textual Sources | Theodorus Studita, Epistulae, ed. G. Fatouros, CFHB 31.1-2 (Berlin/New York, 1992) (letters) |
Ioannes 464 was a Stoudite monk and spiritual son of Theodoros 15 (Theodore the Stoudite), he was the brother of Bryenas (Bryennios 4) and son of Anonyma 81; he was informed of the death of his mother by Theodoros 15, who mentions him in a letter to Bryennios 4 (τὸν ἀγαπητὸν ἡμῶν ἀδελφὸν καὶ πνευματικὸν υἱέα, τὸν κύριον Ἰωάννην, τὸν ὁμαίμονα τῆς ὑψηλότητός σου): Theod. Stud., Ep. 509 (c. 821/826). Possibly identical with Ioannes (ὁ κῦρις Ἰωάννης) to whom Theodoros 15 sent greetings via Naukratios 1 in summer 816: Theod. Stud., Ep. 151.
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