KJV 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.
There seems to be a significance to the fact that as there are are 12 tribes (kinda, sorta) and 12 disciples (kinda, sorta):
KJV Luke 22:30 That ye may eat and drink at my table in my kingdom, and sit on thrones judging the twelve tribes of Israel.
"Judas" is both the name of the "Jews" and one of the tribes ("Judah") and of the betrayer. Jesus didn't have many kind words to say about either. Is Judas' rejection while bearing the name of the tribe which housed the temple supposed to cast a dark shadow on the tribe? Is there a graphic curse on the Jews implicit in the experience of Judas?