Ioannes 440 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E/M IX |
| PmbZ No. | 3242 |
| Religion | Christian |
| Locations | Antidios (Monastery of, Mt Olympus, Bithynia) (residence); Antidios (Monastery of, Mt Olympus, Bithynia) |
| Occupation | Monk |
| Textual Sources | Vita Ioannicii, by Sabas the monk (BHG 935), AASSNovember II 1, pp. 332-383 (hagiography) |
Ioannes 440 was a monk in the monastery of Antidios (Ἰωάννου δὲ μοναχοῦ τῆς αὐτῆς μονῆς) (in Bithynia); present with St Ioannikios (Ioannikios 2) when the latter visited the Church of St John the Baptist, then under construction, at the monastery: Sabas, Vita Ioannicii 38. The date was either late in the reign of Michael II (Michael 10) or during that of Theophilos 5; see Ioannikios 2.
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