Rouphinios 1 was bishop of Sipontum (in Apulia); he attended all five sessions of the Lateran Council, from 5 October to 31 October 649, and in the list of bishops present is named in forty-first place: Conc. Lat., p. 4, line 13 (Ρουφίνου ἐπισκόπου Σιπόντου), p. 5, line 13 ("Rufino Sipontino episcopo") (the first session), cf. pp. 33, 113, 179 and 249 (the Latin version only is repeated for the other sessions). He subscribed the definition of the faith agreed by the Council at its fifth session: Conc. Lat., p. 394, line 27 (Ρουφῖνος ἐπίσκοπος Σιποντοῦ), p. 395, line 27 ("Rufinus episcopus sanctae Sipontine ecclesiae").

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