Dositheos 4 | Prosopography of the Byzantine Empire |
| Floruit | M/L IX |
| Dates | 865 (taq) / 865 (tpq) |
| PmbZ No. | 1415 |
| Variant Names | Dositheus |
| Locations | Hosios Dios (Monastery of) (officeplace); Hosios Dios (Monastery of) (residence) |
| Occupation | Hegoumenos |
| Titles | Hegoumenos, Hosios Dios (office) |
| Textual Sources | Nicolaus I, Epistulae et Decreta, PL 119. 769-1182; ed. E. Perels, MGH, Epp. 6, pp. 257-690 (letters) |
Dositheos 4 was hegoumenos of the monastery of Hosios Dios; he is named by pope Nicholas I (Nikolaos 28) in a letter to the emperor Michael III (Michael 11) in 865 as one of the supporters of the patriarch Ignatios (Ignatios 1): Nicolaus I, Ep. 86 (PL 119, 956B).
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