Ioannes 29 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | M/L VII |
| Dates | 680 (taq) / 680 (tpq) |
| PmbZ No. | 3419 |
| Variant Names | Iohannes |
| Religion | Christian; Anti-monothelete |
| Locations | Ancona (Pentapolis) (officeplace); Ancona (Pentapolis); Rome |
| Occupation | Bishop |
| Titles | Bishop, Ancona (Pentapolis) (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) |
Ioannes 29 was bishop of Ancona in Pentapolis (Italy); 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 II 2. 156, lines 13-15 (= Mansi XI 313-314) (Ἰωάννης ἐλάχιστος ἐπίσκοπος τῆς ἁγίας ἐκκλησίας Ἀγκῶνος ἐπαρχίας Πενταπόλεως; the old Latin version printed in Riedinger II 2. 157, line 11, calls his see "
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