Euschemon 4 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E IX |
| Dates | 815 (taq) / 815 (tpq) |
| PmbZ No. | 1727 |
| Religion | Christian; Iconophile |
| Locations | Lampsakos (Hellespontus) (officeplace); Lampsakos (Hellespontus) (residence); Lampsakos (Hellespontus) |
| Occupation | Bishop |
| Titles | Bishop, Lampsakos (Hellespontus) (office) |
| Textual Sources | Theodorus Studita, Epistulae, ed. G. Fatouros, CFHB 31.1-2 (Berlin/New York, 1992) (letters) |
Euschemon 4 was bishop of Lampsakos; addressee of a letter from Theodoros 15 (Theodore the Stoudite), written in 815, after April; Euschemon had undergone persecution for supporting the veneration of icons; he is addressed as ἡ ὁσιότης σου (p. 210, line 2), and styled ὦ φιλότης (p. 210, line 5) and ὦ πάτερ (p. 210, line 17): Theod. Stud. , Ep. 89, p. 210 (addressed Εὐσχήμονι Λαμψάκου).
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