Matthew 27:3

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

Matthew 26:14-16

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

Matthew 26:47-50

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

Mark 14:10-11

And Judas Iscariot, one of the twelve, went to the chief priests, that he might deliver him up to them.

Mark 14:43-46

And immediately, while he was yet speaking, cometh Judas Iscariot, one of the twelve, and with him a multitude with swords and clubs, from the chief priests and the scribes and elders.

Luke 22:2-6

and the chief priests and the scribes were seeking how they might kill him; for they feared the people.

Luke 22:47-48

While he was yet speaking, lo! a multitude, and he that was called Judas, one of the twelve, was at the head of them; and he drew near to Jesus to kiss him.

John 13:2

And supper being served,the Devil having already put it into the heart of Judas Iscariot, the son of Simon, to betray him,

John 13:27

And after the morsel, Satan entered into him. Jesus therefore saith to him, What thou doest, do quickly.

John 18:3

Judas then, having received the band of soldiers, and officers from the chief priests and Pharisees, cometh thither with torches and lanterns and weapons.

2 Corinthians 7:10

For sorrow before God worketh repentance to salvation never to be regretted; but the sorrow of the world worketh 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
For sorrow before God worketh repentance to salvation never to be regretted; but the sorrow of the world worketh death.

General references

Mark 6:26
And the king was exceedingly sorry; but on account of his oaths, and of those at table with him, he would not refuse her.
Luke 14:30
saying, This man began to build, and was not able to finish.