Ioannes 401 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII |
| PmbZ No. | 3136 |
| Locations | Kephallenia; Kephallenia (officeplace) |
| Titles | Basilikos protospatharios (dignity); Strategos, Kephallenia (office) |
| Seal Sources | Zacos, G. and Veglery, A., Byzantine Lead Seals, vol. I (in 3 parts) (Basel, 1972). |
Ioannes 401 was basilikos protospatharios and strategos of Kephallenia; owner of a seal dateable to the late eighth century: DOSeals II 1.13 = Zacos and Veglery 2050. The name and titles read: Ἰωάννῃ βασιλικῷ πρωτοσπαθαρίῳ καὶ στρατηγῷ Κεφαλληνίας.
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