Mark 3:18. Same as Lebbaeus or Judas not Iscariot (John 14:22). (See JUDE.) The Sinaiticus and Vaticanus manuscripts read in Matthew 10:3 only "Thaddaeus, "omitting "and Lebbaeus whose surname was."
Bibliography Information Fausset, Andrew Robert M.A., D.D., "Definition for 'Thaddaeus' Fausset's Bible Dictionary". bible-history.com - Fausset's; 1878.