Grasulf 1 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E/M VII |
| Variant Names | Grasulfus |
| Ethnicity | Lombard |
| Locations | Forum Iulii (N. Italy) (residence);
Forum Iulii (N. Italy) |
| Titles | Dux, Forum Iulii (N. Italy) (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) |
Grasulf 1 became Lombard dux of Friuli some time in the first half of the seventh century: see [PLRE III, p. 545 (Grasulfus 2)] and Paul. Diac., Hist. Lang. IV 39. Dux of Friuli, Grasulf 1 died some time in the mid seventh century and was succeeded by Ago 1: Paul. Diac., Hist. Lang. IV 50 ("mortuo apud Foroiuli Grasulfo duce, Foroiulensem ducatum Ago regendum suscepit"), V 17 ("Grasulfo Foroiulanorum duce defuncto, successor ei in ducato Ago datus"). His brother Gisulfus had been dux of Friuli from 590 to c. 610: see [PLRE III, pp. 537-38 (Gisulfus 2)].
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