John 6:71

But He was speaking of Judas, son of Simon Iscariot; for he was about to betray Him, being one of the twelve.

Matthew 26:14-16

Then one of the twelve, the one called Judas Iscariot, going to the high priests,

Matthew 27:3-5

Then Judas, who betrayed Him, seeing that He was condemned, repenting, brought back the thirty pieces of silver to the high priests and the elders,

John 13:26

Jesus, therefore, answereth, "He it is for whom I shall dip the morsel, and give it to him." Having, therefore, dipped the morsel, He taketh and giveth it to Judas, son of Simon Iscariot.

John 18:2-6

And Judas also, who betrayed Him, knew the place; because Jesus ofttimes resorted thither with His disciples.

Acts 1:16-20

"Brethren, it was necessary that the Scripture should be fulfilled, which the Holy Spirit spake beforehand, through the mouth of David, concerning Judas, who became guide to those who arrested Jesus;

Acts 2:23

This Man, delivered up by the settled counsel and foreknowledge of God, ye, having fastened to the cross, through the hand of lawless ones, did slay:

Jude 1:4

For there crept in stealthily certain men, who of old were set forth for this condemnation, ungodly men, changing the grace of our God into lasciviousness; and denying the only Master and our Lord Jesus Christ.

Treasury of Scripture Knowledge

Summary

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

Bible References

Being

John 18:2
And Judas also, who betrayed Him, knew the place; because Jesus ofttimes resorted thither with His disciples.
Matthew 26:14
Then one of the twelve, the one called Judas Iscariot, going to the high priests,
Matthew 27:3
Then Judas, who betrayed Him, seeing that He was condemned, repenting, brought back the thirty pieces of silver to the high priests and the elders,