Cross reference
John 13:22
22 Then the eyes of the disciples were turned on one another, in doubt as to whom he had in mind.
Luke 22:23
23 And they were wondering among themselves which of them it was who would do this thing.
Matthew 26:22
22 And they were very said, and said to him, one by one, Is it I, Lord?
Mark 14:19
19 They were sad, and said to him one by one, Is it I?
Genesis 42:1
1 Now Jacob, hearing that there was grain in Egypt, said to his sons, Why are you looking at one another?