John 6:71; John 12:4; John 13:2; John 13:26; John 14:22

John 6:71

71 He spake of Judas Iscariot the son of Simon: for he it was that should betray him, being one of the twelve.

John 12:4

4 Then saith one of his disciples, Judas Iscariot, Simon's son, which should betray him,

John 13:2

2 And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;

John 13:26

26 Jesus answered,He it is, to whom I shall give a sop, when I have dipped it. And when he had dipped the sop, he gave it to Judas Iscariot, the son of Simon.

John 14:22

22 Judas saith unto him, not Iscariot, Lord, how is it that thou wilt manifest thyself unto us, and not unto the world?