Gregorios 10 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII-E IX |
| Dates | 778 (taq) / 802 (tpq) |
| PmbZ No. | 2407 |
| Locations | Opsikion (officeplace); Opsikion; Syria; Germanikeia (Syria) |
| Titles | Komes, Opsikion (office); Patrikios (office) |
| Textual Sources | Theophanes Confessor, Chronographia, ed. C. de Boor, 2 vols. (Leipzig, 1883-85, repr. Hildesheim/NewYork, 1980); tr. and comm. C. Mango and R. Scott, The Chronicle of Theophanes Confessor, Oxford 1997 (chronicle) |
Gregorios 10 was the son of Mousoulakios 1 (ὁ τοῦ Μουσουλακίου): Theoph. AM 6270, Theoph. AM 6295.
In 778 Gregorios 10 was commander of the Opsikianoi in the combined armies sent by the emperor Leo IV (Leo 4) against Syria (χιλιάδες ρ', ὧν ἡγοῦντο ... Γρηγόριος ὁ τοῦ Μουσουλακίου τῶν Ὀψικιάνων); they besieged but failed to capture Germanikeia but defeated an Arab army under Thoumamas 1: Theoph. AM 6270. His fellow-commanders were Michael 5 Lachanodrakon, Artabasdos 3, Tatzates 1 and Karisterotzes 1. Gregorios 10 was strategos (or komes) of the Opsikion, but the exact title is not recorded in Theophanes.
In 802 Gregorios 10 was a patrikios (Γρηγόριος πατρίκιος: Theoph. AM 6295); on 31 October he was among those who supported the overthrow of the empress Eirene 1 by Nikephoros 8; like the others he is strongly criticised in Theophanes because he had received great riches from Eirene 1 and had professed the greatest loyalty to her; his motive for supporting Nikephoros 8 is said to have been greed: Theoph. AM 6295. For seals possibly owned by him, see Winkelmann, Rangstruktur, p. 83 (cf. Gregorios 114, Gregorios 115 and Gregorios 121).
See Rochow, Konstantin V, pp. 216-217.
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