Engelberga 1 | Prosopography of the Byzantine Empire |
| Sex | F |
| Floruit | M IX |
| Dates | 867 (taq) / 867 (tpq) |
| PmbZ No. | 438 |
| Variant Names | Engiberga; Ingeberga |
| Religion | Christian |
| Ethnicity | Frank |
| Locations | Francia; Francia (residence) |
| Titles | Queen of the Franks (office) |
| Textual Sources | Vita Ignatii Patriarchae, by Nicetas (BHG 817), PG 105.488-574) (hagiography) |
Engelberga 1 was the wife (γαμετὴν) of the emperor Louis II (Lodoïchos 1); letters from the patriarch Photios 1 in 867 asked Lodoïchos 1 and Engelberga 1 to expel pope Nicholas I (Nikolaos 28) from his see and promised acclamations by the imperial title for them at Constantinople if they did so; Photios 1 also sent rich gifts; the message, sent via Zacharias 18 and Theodoros 175 (shortly before the death of the emperor Michael III (Michael 11), on 23 September), never arrived: Nicetas, Vita Ignatii 537B-C, 541C.
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