Mark 3:19
and Judas Iscariot, who also betrayed him. And he cometh into a house.
Matthew 26:14-16
Then one of the twelve, who was called Judas Iscariot, went unto the chief priests,
Matthew 26:47
And while he yet spake, lo, Judas, one of the twelve, came, and with him a great multitude with swords and staves, from the chief priest and elders of the people.
Matthew 27:3-5
Then Judas, who betrayed him, when he saw that he was condemned, repented himself, and brought back the thirty pieces of silver to the chief priests and elders,
John 6:64
But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who it was that should betray him.
John 6:71
Now he spake of Judas the son of Simon Iscariot, for he it was that should betray him, being one of the twelve.
John 12:4-6
But Judas Iscariot, one of his disciples, that should betray him, saith,
John 13:2
And during supper, the devil having already put into the heart of Judas Iscariot, Simon's'son , to betray him,
John 13:26-30
Jesus therefore answereth, He it is, for whom I shall dip the sop, and give it him. So when he had dipped the sop, he taketh and giveth it to Judas, the son of Simon Iscariot.
Acts 1:16-25
Brethren, it was needful that the Scripture should be fulfilled, which the Holy Spirit spake before by the mouth of David concerning Judas, who was guide to them that took Jesus.