Mark 14:20

He answered them, "It is one of the Twelve, the one who is dipping his bread in the dish with me.

John 13:26

Jesus answered, "It is that one to whom I give the piece of bread when I dip it in the dish." So He dipped it into the dish and took it and gave it to Judas, Simon Iscariot's son.

Matthew 26:23

He answered, "The man who has just dipped his hand with me in the dish is the man who is going to betray me.

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.

Mark 14:43

At that very moment, while He was still speaking, Judas, one of the Twelve, came up, and with him a crowd of men with swords and clubs, from the high priests, scribes, and elders.

Luke 22:47

While He was still speaking, look! a crowd had come up, and Judas, one of the Twelve, was their guide; and he stepped up to Jesus to kiss Him.

John 6:71

He was referring to Judas, Simon Iscariot's son, for he was going to betray Him, although he was one of the Twelve.

Treasury of Scripture Knowledge

Summary

And he answered and said unto them, It is one of the twelve, that dippeth with me in the dish.

General references

Bible References

It is

Mark 14:43
At that very moment, while He was still speaking, Judas, one of the Twelve, came up, and with him a crowd of men with swords and clubs, from the high priests, scribes, and elders.
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.
Luke 22:47
While He was still speaking, look! a crowd had come up, and Judas, one of the Twelve, was their guide; and he stepped up to Jesus to kiss Him.
John 6:71
He was referring to Judas, Simon Iscariot's son, for he was going to betray Him, although he was one of the Twelve.

Dippeth

Matthew 26:23
He answered, "The man who has just dipped his hand with me in the dish is the man who is going to betray me.
John 13:26
Jesus answered, "It is that one to whom I give the piece of bread when I dip it in the dish." So He dipped it into the dish and took it and gave it to Judas, Simon Iscariot's son.

General references

Matthew 26:22
They were cut to the bottom of their hearts, and began to ask one by one, "It cannot be I, can it, Lord?"