Konstantinos 263 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M/L IX |
| Dates | 859 (tpq) / 886 (taq) |
| PmbZ No. | 4019 |
| Titles | Patrikios (dignity) |
| Textual Sources | Photius, Epistulae, ed. B. Laourdas and L. G. Westerink, 3 vols. (Leipzig, 1983-85) (letters) |
Konstantinos 263 was a patrikios and the addressee of a letter from the patriarch Photius (Photios 1), written between 859 and 886; the letter is theological in content and concerns Eusebius Pamphili: Photius, Ep. 144 (I 197 Laourdas-Westerink; addressed Κωνσταντίνῳ πατρικίῳ).
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