Maria 12 | Prosopography of the Byzantine Empire |
| Sex | F |
| Floruit | E IX |
| Dates | 815 (tpq) / 818 (taq) |
| PmbZ No. | 4731 |
| Religion | Christian |
| Occupation | Nun |
| Textual Sources | Theodorus Studita, Epistulae, ed. G. Fatouros, CFHB 31.1-2 (Berlin/New York, 1992) (letters) |
Maria 12 was a nun; addressee of a letter from Theodore the Stoudite (Theodoros 15) written between 815 and 818, thanking her for sheltering and caring for monks who were victims of the persecution under Leo V (Leo 15): Theod. Stud., Ep. 331, p. 472.
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