Parallel
John 9:18
Patriarchal Greek New Testament (1904) · Berean Standard Bible
οὐκ ἐπίστευσαν οὖν οἱ Ἰουδαῖοι περὶ αὐτοῦ ὅτι τυφλὸς ἦν καὶ ἀνέβλεψεν, ἕως ὅτου ἐφώνησαν τοὺς γονεῖς αὐτοῦ τοῦ ἀναβλέψαντος
The Jews still did not believe that the man had been blind and had received his sight until they summoned his parents