Matthew 26:14

Then one of the Twelve, whose name was Judas Iscariot, went to the high priests,

Matthew 10:4

Simon the zealot, and Judas Iscariot, who afterward betrayed Him.

Luke 22:3-6

But Satan entered into Judas, who is called Iscariot, who belonged to the circle of the Twelve.

John 13:2

So Jesus, while supper was on -- although He knew that the devil had suggested to Judas Iscariot, Simon's son, to betray Him --

John 13:30

So as soon as he took the piece of bread, he left the room. It was then night.

Matthew 26:25

Then Judas, who afterward betrayed Him, answered by asking, "It cannot be I, can it, Rabbi?" Jesus answered him, "Yes, you are the man."

Matthew 26:47

Even while He was still speaking, here came Judas, one of the Twelve, and with him a crowd, with swords and clubs, from the high priests and the elders of the people.

Matthew 27:3

Then Judas, who had betrayed Him, as he felt condemned, in remorse brought back the thirty pieces to the high priests and elders,

Mark 14:10-11

Then Judas Iscariot, one of the Twelve, went to the high priests to betray Him to them.

John 6:70-71

Jesus answered them, "Did I not myself select you as the Twelve? And yet one of you is a devil."

John 12:4

But Judas Iscariot, one of His disciples, who was going to betray Him, said,

John 18:2

Now Judas, too, who betrayed Him, knew the spot, because Jesus had often met with His disciples there.

Acts 1:16

"Brothers, that Scripture had to be fulfilled which the Holy Spirit uttered by the mouth of David in the former times about Judas who became the guide to those who arrested 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
Then Judas Iscariot, one of the Twelve, went to the high priests to betray Him to them.
Luke 22:3
But Satan entered into Judas, who is called Iscariot, who belonged to the circle of the Twelve.
John 13:2
So Jesus, while supper was on -- although He knew that the devil had suggested to Judas Iscariot, Simon's son, to betray Him --