Mark 3:19
and Judas Iscariot, the man who also betrayed Him.
Matthew 26:14-16
At that time one of the Twelve, the one called Judas Iscariot, went to the High Priests
Matthew 26:47
He had scarcely finished speaking when Judas came--one of the Twelve--accompanied by a great crowd of men armed with swords and bludgeons, sent by the High Priests and Elders of the People.
Matthew 27:3-5
Then when Judas, who had betrayed Him, saw that He was condemned, smitten with remorse he brought back the thirty shekels to the High Priests and Elders
John 6:64
But there are some of you who do not believe." For Jesus knew from the beginning who those were that did not believe, and who it was that would betray Him.
John 6:71
He alluded to Judas, the son of Simon the Iscariot. For he it was who, though one of the Twelve, was afterwards to betray Him.
John 12:4-6
Then said Judas (the Iscariot, one of the Twelve--the one who afterwards betrayed Jesus)
John 13:2
While supper was proceeding, the Devil having by this time suggested to Judas Iscariot, the son of Simon, the thought of betraying Him, Jesus,
John 13:26-30
"It is the one," answered Jesus, "for whom I shall dip this piece of bread and to whom I shall give it." Accordingly He dipped the piece of bread, and took it and gave it to Judas, the son of the Iscariot Simon.
Acts 1:16-25
"Brethren, it was necessary that the Scripture should be fulfilled--the prediction, I mean, which the Holy Spirit uttered by the lips of David, about Judas, who acted as guide to those who arrested Jesus.