Theodoulos 9 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E IX |
| Dates | 816 (taq) / 817 (ob.) |
| Religion | Christian |
| Locations | Stoudios (Monastery of, Constantinople) (residence); Stoudios (Monastery of, Constantinople) |
| Occupation | Monk |
| Textual Sources | Theodorus Studita, Epistulae, ed. G. Fatouros, CFHB 31.1-2 (Berlin/New York, 1992) (letters) |
Theodoulos 9 was a Stoudite monk, whose death in late 816 or early 817 is mentioned in a letter of Theodoros 15 (Theodore the Stoudite ): Theod. Stud., Ep. 263, pp. 391-392, line 9. The date of his death excludes identification with Theodoulos 8.
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