Arsaber 20 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M/L IX |
| Dates | 859 (tpq) / 886 (taq) |
| PmbZ No. | 609 |
| Titles | Protospatharios (dignity) |
| Textual Sources | Photius, Epistulae, ed. B. Laourdas and L. G. Westerink, 3 vols. (Leipzig, 1983-85) (letters) |
Arsaber 20 was a protospatharios; addressee of two letters from the patriarch Photius (Photios 1), of uncertain date (therefore written between 859 and 886): Photius, Ep. 228 (II 138ff. Laourdas-Westerink), Ep. 233 (II 149 Laourdas-Westerink) (both addressed Ἀρσαβὴρ πρωτοσπαθαρίῳ). The first letter concerned theological topics, the second thanked Arsaber 20 for gifts. His name indicates an Armenian origin.
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