Parallel
John 6:71
Nestle 1904 Greek New Testament · Berean Standard Bible
ἔλεγεν δὲ τὸν Ἰούδαν Σίμωνος Ἰσκαριώτου οὗτος γὰρ ἔμελλεν παραδιδόναι αὐτόν εἷς ἐκ τῶν δώδεκα
He was speaking about Judas, the son of Simon Iscariot. For although Judas was one of the Twelve, he was later to betray Jesus.