Mark 14:19

And they [all] began to be grieved and said to Him, one by one, "Am I the one?"

Matthew 26:22

And they were extremely grieved, and each one of them began saying to Him, "Am I the one, Lord?"

Luke 22:21-23

But look, the hand of the one who is turning me over [i.e., to the Jewish leaders] is with me on the table [i.e., dipping his hand in the sauce bowl. See Matt. 26:23].

John 13:22

The disciples looked at one another, puzzled over who He was talking about.

Treasury of Scripture Knowledge

Summary

And they began to be sorrowful, and to say unto him one by one, Is it I? and another said, Is it I?

General references

Bible References

And to

Matthew 26:22
And they were extremely grieved, and each one of them began saying to Him, "Am I the one, Lord?"
Luke 22:21
But look, the hand of the one who is turning me over [i.e., to the Jewish leaders] is with me on the table [i.e., dipping his hand in the sauce bowl. See Matt. 26:23].
John 13:22
The disciples looked at one another, puzzled over who He was talking about.

General references

Matthew 26:22
And they were extremely grieved, and each one of them began saying to Him, "Am I the one, Lord?"
Luke 22:23
So, the apostles began discussing among themselves which one of them would do such a thing.