Ioannes 356 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M VII/M VIII |
| PmbZ No. | 2950 |
| Religion | Christian |
| Locations | Gangra (Paphlagonia) (officeplace); Gangra (Paphlagonia) (residence); Gangra (Paphlagonia) |
| Occupation | Priest |
| Titles | Priest, Gangra (Paphlagonia) (office) |
| Seal Sources | Zacos, G. and Veglery, A., Byzantine Lead Seals, vol. I (in 3 parts) (Basel, 1972). |
Ioannes 356 was a priest of Gangra; father of Konstantinos 195; named on the seal of his son, which is dateable between the mid seventh century and the mid eighth: Zacos and Veglery 599. Obv.: eagle, wings raised, with a cruciform monogram of Θεοτόκε βοήθει. Rev.: +Κ[ων] - σταντ[ι] - νω υιω Ιω - αννου πρες - βυτερου Γα - γγρων. The names and titles read: Κωνσταντίνῳ υἱῷ Ἰωάννου πρεσβυτέρου Γάγγρων. According to Zacos and Veglery, it is possible that Konstantinos was the priest, not Ioannes, but the text seems unambiguous.
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