Gregorios 80 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E/M VIII |
| Variant Names | Gregorius |
| Ethnicity | Lombard |
| Locations | Beneventum (Campania) (officeplace); Beneventum (Campania) (residence); Beneventum (Campania) |
| Titles | Dux, Beneventum (Campania) (office) |
| Textual Sources | Paulus Diaconus, Historia Gentis Langobardorum, ed. L. Bethmann and G. Waitz, MGH, Scr. Rer. Lang., pp. 12-187; also in MGH, Scr. Rer. Ger. 48, pp. 49-242 (history) |
Gregorios 80 was the nephew of the Lombard king Liutprand 1; Gregorios 80 was installed as
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