And I was still unknown (ēmēn de agnoumenos). Periphrastic imperfect passive of agnoeō, not to know.
By face (tōi prosōpōi). Associative instrumental case.
Of Judea (tēs Ioudaias). As distinct from Jerusalem, for he had once scattered the church there and had revisited them before coming to Tarsus (Act 9:26-30). In Act 9:31 the singular of ekklēsia is used, but in a geographic sense for Judea, Samaria, and Galilee.