22 And they were very sad, and began each one of them to say to him: Lord, is it I?
Matthew 26:22 Cross References - Anderson
Mark 14:19-20
Luke 22:23
23 And they began to inquire among themselves, which of them it could be that was about to do this thing.
John 13:22-25
22 Then the disciples looked at one another, doubting of whom he spoke.
23 There was reclining on the bosom of Jesus, one of his disciples, whom Jesus loved.
24 Then Simon Peter beckoned to this one, that he should inquire who it was of whom he spoke.
25 And he that was reclining on Jesus breast, said to him: Lord, who is it?
John 21:17
17 He said to him a third time: Simon, son of Jonah, do you love me? Peter was grieved because he said to him the third time, Do you love me? And he said to him: Lord, thou knowest all things, thou knowest that I love thee. Jesus said to him: Feed my sheep.