Boyd’s Bible Dictionary:
(Jude 1:1). Judas, brother of James the Less (Luke 6:16; John 14:22; Acts 1:13; Matt. 13:55). Thaddeus, Lebbaeus (Matt. 10:3; Mark 3:18). An Apostle and author of the epistle which bears his name, 26th N. T. book. Written about A. D. 65. Place not known.
Concise Bible Dictionary:
See JUDAS.
Jackson’s Dictionary of Scripture Proper Names:
same as Judas