22 The disciples therefore looked one on another, doubting of whom he spoke.
John 13:22 Cross References - ABU
Matthew 26:22
22 And they were exceedingly sorrowful, and began to say to him, each one: Lord, is it I?
Mark 14:19
19 And they began to be sorrowful, and to say to him one by one: Is it I? And another said: Is it I?
Luke 22:23
23 And they began to inquire among themselves, who then it might be that should do this thing?