6:71He spake of Judas Iscariot the son of Simon: for he it was that should betray him, being one of the twelve.

13:2And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;

13:26Jesus 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.