NET
4 But Judas Iscariot, one of his disciples (the one who was going to betray him) said,
Darby
4 One of his disciples therefore, Judas [son] of Simon, Iscariote, who was about to deliver him up, says,
KJV
4 Then saith one of his disciples, Judas Iscariot, Simon's [son], which should betray him,