New Revised Standard Version
He was speaking of Judas son of Simon Iscariot, for he, though one of the twelve, was going to betray him.

Contemporary English Version
Jesus was talking about Judas, the son of Simon Iscariot. He would later betray Jesus, even though he was one of the twelve disciples.

New American Bible
He was referring to Judas, son of Simon the Iscariot; it was he who would betray him, one of the Twelve.

Douay-Rheims Bible
Now he meant Judas Iscariot, the son of Simon: for this same was about to betray him, whereas he was one of the twelve.

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

for.

Psalm 109:6-8 Set thou the sinner over him: and may the devil stand at his right hand. . . .

Acts 1:16-20 Men, brethren, the scripture must needs be fulfilled, which the Holy Ghost spoke before by the mouth of David concerning Judas, who was the leader of them that apprehended Jesus: . . .

Acts 2:23 This same being delivered up, by the determinate counsel and foreknowledge of God, you by the hands of wicked men have crucified and slain.

Jude 1:4 For certain men are secretly entered in (who were written of long ago unto this judgment), ungodly men, turning the grace of our Lord God into riotousness and denying the only sovereign Ruler and our Lord Jesus Christ.

being.

John 18:2-6 And Judas also, who betrayed him, knew the place: because Jesus had often resorted thither together with his disciples. . . .

Psalm 41:9 For even the man of my peace, in whom I trusted, who ate my bread, hath greatly supplanted me.

Psalm 55:13,14 But thou a man of one mind, my guide, and my familiar, . . .

Matthew 26:14-16 Then went one of the twelve, who was called Judas Iscariot, to the chief priests. . . .

Matthew 27:3-5 Then Judas, who betrayed him, seeing that he was condemned, repenting himself, brought back the thirty pieces of silver to the chief priests and ancients, . . .