It is.

Mark 14:43
While Jesus was still speaking, Judas, one of the Twelve, arrived, accompanied by a crowd armed with swords and clubs, sent from the chief priests, scribes, and elders.

Matthew 26:47
While Jesus was still speaking, Judas, one of the Twelve, arrived, accompanied by a large crowd armed with swords and clubs, sent from the chief priests and elders of the people.

Luke 22:47
While He was still speaking, a crowd arrived, led by the man called Judas, one of the Twelve. He approached Jesus to kiss Him.

John 6:71
He was speaking about Judas, the son of Simon Iscariot. For although Judas was one of the Twelve, he was later to betray Jesus.

dippeth.

Matthew 26:23
Jesus answered, "The one who has dipped his hand into the bowl with Me will betray Me.

John 13:26
Jesus answered, "It is the one to whom I give this piece of bread after I have dipped it." Then He dipped the piece of bread and gave it to Judas son of Simon Iscariot.