Theodoros 20 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M/L VII |
| Dates | 680 (taq) / 680 (tpq) |
| Variant Names | Theodorus |
| Religion | Christian; Anti-monothelete |
| Locations | Ameria (Tuscia); Ameria (Tuscia) (officeplace); Rome |
| Occupation | Bishop |
| Titles | Bishop, Ameria (Tuscia) (office) |
| Textual Sources | Constantinople, Third Council of (Sixth Ecumenical Council), ed. R. Riedinger, Concilium Universale Constantinopolitanum Tertium, ACO II.2. 1 (Berlin, 1990-1992); also cited from Mansi XI passim (conciliar) |
Theodoros 20 was bishop of Ameria in Tuscia; he was one of the hundred and twenty-five Western bishops who attended the Council of Rome at Easter 680, and who subscribed the decree condemning monotheletism: Riedinger, p. 156, line 37 (= Mansi XI 313-314) (Θεόδωρος ἀνάξιος ἐπίσκοπος τῆς ἁγίας ἐκκλησίας τῆς πόλεως Ἀμέρνης ἐπαρχίας Τουσκίας; the Latin version, printed in Riedinger, p. 157, line 29, calls him "
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