MY COMMENTS: THE TERM 'THE TWELVE' SEEMS TO BE AN OFFICAL TITLE FOR IDENTIFICATION.
FOR INSTANCE, IN JOHN 20:24, AFTER CHRIST'S RESURRECTION, HE APPEARED TO THEM IN THE HOUSE, EXCEPT FOR THOMAS:
"BUT, THOMAS, ONE OF THE TWELVE, CALLED DIDYMUS, WAS NOT WITH THEM WHEN JESUS CAME."
HERE, THOMAS...