Ioannes 599 | Prosopography of the Byzantine Empire |
| Floruit | M/L IX |
| PmbZ No. | 3332 |
| Titles | Basilikos protospatharios (dignity); Epi tou eidikou logou (office) |
| Seal Sources | Laurent, V., Le corpus des sceaux de l'empire byzatin, V, 1-3, L'église (Paris, 1963-72); II, L'administration centrale (Paris, 1981) |
Ioannes 599 was basilikos protospatharios and epi tou eidikou logou; owner of a seal dateable to the middle or late ninth century: Laurent, Corpus II, no. 601. The name and titles read: Ἰωάννῃ βασιλικῷ πρωτοσπαθαρίῳ καὶ ἐπὶ τοῦ εἰδικοῦ λόγου. Cf. Ioannes 219.
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