KJV:
Matthew and Thomas, James the son of Alphaeus, and Simon called Zelotes,
NASB:
and Matthew and Thomas; James the son of Alphaeus, and Simon who was called the Zealot;
KJV:
And when they were come in, they went up into an upper room, where abode both Peter, and James, and John, and Andrew, Philip, and Thomas, Bartholomew, and Matthew, James the son of Alphaeus, and Simon Zelotes, and Judas the brother of James.
NASB:
When they had entered the city, they went up to the upper room where they were staying; that is, Peter and John and James and Andrew, Philip and Thomas, Bartholomew and Matthew, James the son of Alphaeus, and Simon the Zealot, and Judas the son of James.