Theodoros 50

Prosopography of the Byzantine Empire
SexM
FloruitM/L VII
Variant NamesTheodorus
ReligionChristian
LocationsCanterbury (Britannia);
Britannia (residence);
Canterbury (Britannia) (officeplace)
OccupationBishop
TitlesArchbishop, Britannia (office);
Archbishop, Canterbury (Britannia) (office);
Philosopher (office)
Textual SourcesBede, Historia Ecclesiastica, ed. B. Colgrave and R. A. B. Mynors (Oxford, 1969) (history);
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);
Paulus Diaconus, Historia Gentis Langobardorum, ed. L. Bethmann and G. Waitz, MGH, Scr. Rer. Lang., pp. 12-187; also in MGH, Scr. Rer. Ger. 48, pp. 49-242 (history)

Theodoros 50 was archbishop of Canterbury; he was sent to Britain with abbot Hadrianus (Hadrianos 9) by pope Vitalian (Bitalianos 3) to strengthen the church there; Theodorus is credited with fixing the period (in years) of penance required for expiating various sins: Paul. Diac., Hist. Lang. V 30. The source of this is Bede; see below. Archbishop of the island of Britannia and a philosopher, he is mentioned in the letter sent to the emperor Constantine IV (Konstantinos 2) in 680 by pope Agatho 1 and the Council of Rome of that year; the Council apologised for the delay in answering the emperor on the grounds that they wanted bishops from as far afield as possible to attend, including Theodoros and other bishops from Britannia (ἠλπίζομεν ἀπὸ Βρετανίας Θεόδωρον τὸν σύνδουλον ἡμῶν καὶ συνεπίσκοπον τῆς μεγάλης νήσου Βρετανίας ἀρχιεπίσκοπον καὶ φιλόσοφον, μετὰ ἄλλων ἐκεῖσε μέχρι τοῦ παρόντος διαγόντων καὶ ἐκεῖθεν τῇ ἡμετέρᾳ ἡνωθῆναι μετριότητι): Riedinger, p. 132, lines 21-23 (= Mansi XI 293). Theodoros of Tarsos, archbishop of Canterbury, did not in fact attend the Council of Rome. On Theodoros, see further Bede, Hist. Eccl. IV passim, V 8.

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