John 13:18-19

13:18 I speak not of you all: I know whom I have chosen: but that the scripture may be fulfilled, He that eateth bread with me hath lifted up his heel against me. 13:19 Now I tell you before it come, that, when it is come to pass, ye may believe that I am [he].

John 13:21

13:21 When Jesus had thus said, he was troubled in spirit, and testified, and said, Verily, verily, I say unto you, that one of you shall betray me.

John 13:26

13:26 Jesus answered, He it is, to whom I shall give a sop, when I have dipped [it]. And when he had dipped the sop, he gave [it] to Judas Iscariot, [the son] of Simon.