Matthew 26:14

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

Matthew 10:4

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

Luke 22:3-6

Then Satan entered into Judas surnamed Iscariot, being of the number of the twelve.

John 13:2

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

John 13:30

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

Matthew 26:25

Then Judas, who betrayed him, answered and said, Master, is it I? He said to him, Thou hast said.

Matthew 26:47

And while he was yet speaking, lo, Judas, one of the twelve, came, and with him a great multitude with swords and staffs, from the chief priests and elders of the people.

Matthew 27:3

Then Judas, who had betrayed him, when he saw that he was condemned, repented and brought again the thirty pieces of silver to the chief priests and elders,

Mark 14:10-11

And Judas Iscariot, one of the twelve, went to the chief priests, to betray him to them.

John 6:70-71

Jesus answered them, Have not I chosen you twelve, and one of you is a devil?

John 12:4

Then saith one of his disciples, Judas Iscariot, Simon's son, who was to betray him,

John 18:2

And Judas also, who betrayed him, knew the place: for Jesus often resorted thither with his disciples.

Acts 1:16

Men, brethren, This scripture must needs have been fulfilled, which the Holy Spirit by the mouth of David spoke before 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, one of the twelve, went to the chief priests, to betray him to them.
Luke 22:3
Then Satan entered into Judas surnamed Iscariot, being of the number of the twelve.
John 13:2
And supper being ended (the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;)