New Revised Standard Version
He said to them, “It is one of the twelve, one who is dipping bread into the bowl with me.

Contemporary English Version
He answered, "It is one of you twelve men who is eating from this dish with me.

New American Bible
He said to them, “One of the Twelve, the one who dips with me into the dish.

Douay-Rheims Bible
Who saith to them: One of the twelve, who dippeth with me his hand in the dish.

Who saith to them: One of the twelve, who dippeth with me his hand in the dish.

It is.

Mark 14:43 And while he was yet speaking, cometh Judas Iscariot, one of the twelve: and with him a great multitude with swords and staves, from the chief priests and the scribes and the ancients.

Matthew 26:47 As he yet spoke, behold Judas, one of the twelve, came, and with him a great multitude with swords and clubs, sent from the chief priests and the ancients of the people.

Luke 22:47 As he was yet speaking, behold a multitude; and he that was called Judas, one of the twelve, went before them and drew near to Jesus, for to kiss him.

John 6:71 Now he meant Judas Iscariot, the son of Simon: for this same was about to betray him, whereas he was one of the twelve.

dippeth.

Matthew 26:23 But he answering said: He that dippeth his hand with me in the dish, he shall betray me.

John 13:26 Jesus answered: He it is to whom I shall reach bread dipped. And when he had dipped the bread, he gave it to Judas Iscariot, the son of Simon.