Parallel
Luke 2:43
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ τελειωσάντων τὰς ἡμέρας ἐν τῷ ὑποστρέφειν αὐτοὺς ὑπέμεινεν Ἰησοῦς ὁ παῖς ἐν Ἰερουσαλήμ καὶ οὐκ ἔγνωσαν οἱ γονεῖς αὐτοῦ
When those days were over and they were returning home, the boy Jesus remained behind in Jerusalem, but His parents were unaware He had stayed.