Matthew 27:3

Then Judas his betrayer saw he was condemned, and repented; he brought back the thirty silver pieces to the high priests and elders,

Matthew 26:14-16

Then one of the twelve called Judas Iscariot went and said to the high priests,

Matthew 26:47-50

While he was still speaking, up came Judas, one of the twelve, accompanied by a large mob with swords and cudgels who had come from the high priests and the elders of the people.

Mark 14:10-11

Then Judas Iscariot, one of the twelve, went to the high priests to betray him to them.

Mark 14:43-46

At that very moment, while he was still speaking, Judas [Iscariot] one of the twelve came up accompanied by a mob with swords and cudgels who had come from the high priests and scribes and elders.

Luke 22:2-6

The high priests and scribes were trying how to get him put to death (for they were afraid of the people),

Luke 22:47-48

While he was still speaking, there came a mob headed by the man called Judas, one of the twelve. He approached in order to kiss Jesus,

John 13:2

so at supper, knowing that though the devil had suggested to Judas Iscariot, Simon's son, to betray him,

John 13:27

and when he took the bread, at that moment Satan entered him. Then Jesus told him, "Be quick with what you have to do."

John 18:3

So after procuring troops and some attendants belonging to the high priests and the Pharisees, Judas went there with lanterns and torches and weapons.

2 Corinthians 7:10

the pain God is allowed to guide ends in a saving repentance never to be regretted, whereas the world's pain ends in death.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Repented

2 Corinthians 7:10
the pain God is allowed to guide ends in a saving repentance never to be regretted, whereas the world's pain ends in death.

General references

Mark 6:26
The king was very vexed, but for the sake of his oaths and his guests he did not like to disappoint her;
Luke 14:30
saying, 'This fellow started to build but he could not finish it.'