• John 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 — 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.
• Matt 26:21 — And as they did eat, he said, Verily I say unto you, that one of you shall betray me.

3 Christian traditions affirm this interpretation.

• Evangelical · Evangelical
• Patristic · Patristic
• Reformed · Reformed

2 passages from 2 historic works cite scripture this interpretation depends on.

• Catechism of the Catholic Church · 1 passage
• Summa Theologica · 1 passage