A priest from Apamea in Syria Secunda, Konstantinos 25 addressed the sixteenth session of the Third Council of Constantinople (the Sixth Ecumenical Council) on 9 August 681, with his own statement of the faith, and was anathematised as a monothelete; he introduced himself to the Council and added that he had been ordained priest by the bishop of Arethousa, Abraamios 1; he believed that a recent military disaster in battle against the Bulgars (εἰς τὸν πόλεμον Βουλγαρίας) would have been averted if the Council had heard his statement of the faith (ἑνωτικὸν), reconciling the opposing views and restoring peace and harmony, at the very beginning, as he wished; he had approached the patrikios and strategos Theodoros 48 to speak for him, in vain; he asked for a delay of six days to write out his statement in Syriac for translation into Greek, but the Council insisted that he deliver his faith straightaway and in Greek; he then proposed Two Natures, Two Characters (ἰδιώματα), Two Energies and One Will; the Council quizzed him on the details, then proclaimed him a heretic like Makarios 1 and excommunicated him; he admitted under questioning that it was from Makarios 1 that he had heard the doctrine of One Will: Riedinger, pp. 694-700, cf. p. 694, lines 24-25 (= Mansi XI 616-620, cf. 617AB) (Κωνσταντῖνος λέγομαι, πρεσβύτερός εἰμι τῆς ἐν Ἀπαμείᾳ οὔσης ἁγίας τοῦ θεοῦ ἐκκλησίας τῆς δευτέρας τῶν Σύρων ἐπαρχίας). He was apparently a native speaker of Syriac rather than Greek, although he addressed the Council in Greek.

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