Stephanos 164 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M IX |
| Dates | 859 (c.) / 861 (tpq) |
| PmbZ No. | 7086 |
| Textual Sources | Theognostus, Libellus ad Nicolaum I Papam (BHG 818C), PG 105. 856-861 (theology) |
Stephanos 164 was a layman who was entrusted with a letter to pope Nicolas I (Nikolaos 28) in c. 858 by the deposed patriarch of Constantinople, Ignatios 1, together with Laurentios 8 and Stephanos 163; they failed to deliver the letter; later, in 861, he was involved with Laurentios 8 and Stephanos 163 in the mistreatment of Ignatios 1: Theognostus, Libellus ad Nicolaum I, 857BC.
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