KJV:
And Judas the brother of James, and Judas Iscariot, which also was the traitor.
NASB:
Judas the son of James, and Judas Iscariot, who became a traitor.
KJV:
Which of the prophets have not your fathers persecuted? and they have slain them which shewed before of the coming of the Just One; of whom ye have been now the betrayers and murderers:
NASB:
"Which one of the prophets did your fathers not persecute? They killed those who had previously announced the coming of the Righteous One, whose betrayers and murderers you have now become;