Matthew 26:22
And they were exceeding sorrowful and began every one of them to say unto him, Lord, is it I?
Mark 14:19-20
And they began to be sorrowful and to say unto him one by one, shall it be I? and another said, shall it be I?
Luke 22:23
And they began to enquire among themselves, which of them it was that should do this thing.
John 13:22-25
Then the disciples looked one on another, doubting of whom he spoke.
John 21:17
He said unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said, Lord, thou knowest all things; thou knowest that I love thee. Jesus said unto him, Feed my sheep.
Treasury of Scripture Knowledge did not add