Berean Study Bible
He was speaking about Judas, the son of Simon Iscariot. For although Judas was one of the Twelve, he was later to betray Jesus.

King James Bible
He spake of Judas Iscariot the son of Simon: for he it was that should betray him, being one of the twelve.

American Standard Version
Now he spake of Judas the son of Simon Iscariot, for he it was that should betray him, being one of the twelve.

Darby Bible Translation
Now he spoke of Judas [the son] of Simon, Iscariote, for he [it was who] should deliver him up, being 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.

English Revised Version
Now he spake of Judas the son of Simon Iscariot, for he it was that should betray him, being one of the twelve.

Young's Literal Translation
And he spake of Judas, Simon's son, Iscariot, for he was about to deliver him up, being one of the twelve.