19 And they began to be sorrowful, and to say to him one by one, Is it I? and another said, Is it I?
Mark 14:19 Cross References - Webster
Matthew 26:22
22 And they were exceeding sorrowful, and began every one of them to say to him, Lord, is it I?
Luke 22:21-23
John 13:22
22 Then the disciples looked one on another, doubting of whom he spoke.