Isaakios 13 | Prosopography of the Byzantine Empire |
| Floruit | E VIII |
| PmbZ No. | 3469 |
| Titles | Komes (office); Kommerkiarios (office) |
| Seal Sources | Cheynet,J.-C., Morrisson, C. and Seibt, W., Les Sceaux byzantins de la Collection Henri Seyrig (Paris, 1991) |
Isaakios 13 was komes and kommerkiarios; owner of a seal dateable to the early eighth century: Seyrig 151. The name and title read: Ἰσαακίῳ κόμητι καὶ κομερκιαρίῳ.
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