Matthew 26:14

Then one of the twelve, who was called Judas Iscariot, went unto the chief priests,

Matthew 10:4

Simon the Cananaean, and Judas Iscariot, who also betrayed him.

Luke 22:3-6

And Satan entered into Judas who was called Iscariot, being of the number of the twelve.

John 13:2

And during supper, the devil having already put into the heart of Judas Iscariot, Simon's'son , to betray him,

John 13:30

He then having received the sop went out straightway: and it was night.

Matthew 26:25

And Judas, who betrayed him, answered and said, Is it I, Rabbi? He saith unto him, Thou hast said.

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

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,

Mark 14:10-11

And Judas Iscariot, he that was one of the twelve, went away unto the chief priests, that he might deliver him unto them.

John 6:70-71

Jesus answered them, Did not I choose you the twelve, and one of you is a devil?

John 12:4

But Judas Iscariot, one of his disciples, that should betray him, saith,

John 18:2

Now Judas also, who betrayed him, knew the place: for Jesus oft-times resorted thither with his disciples.

Acts 1:16

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.

Treasury of Scripture Knowledge

Summary

Then one of the twelve, called Judas Iscariot, went unto the chief priests,

Bible References

One

Mark 14:10
And Judas Iscariot, he that was one of the twelve, went away unto the chief priests, that he might deliver him unto them.
Luke 22:3
And Satan entered into Judas who was called Iscariot, being of the number of the twelve.
John 13:2
And during supper, the devil having already put into the heart of Judas Iscariot, Simon's'son , to betray him,

American Standard Version Public Domain