Matthew 26:22

And being grieved exceedingly, they each one began to say to him, Lord, is it I?

Mark 14:19-20

And they were sorry, and said to him, one by one, Is it I? And another, Is it I?

Luke 22:23

And they inquired among themselves which of them it was who was about to do this.

John 13:22-25

The disciples looked one on another, doubting of whom he spoke.

John 21:17

He said to him a third time; Simon, son of John, are you a friend to me? Peter was grieved that he said to him the third time, Are you a friend to me? and he said to him, Lord you know all things; you know that I am a friend to you. Jesus said to him, Feed my sheep.

Treasury of Scripture Knowledge did not add