James, Son of Alphaeus

Concise Bible Dictionary:

One of the twelve apostles (Matt. 10:33Philip, and Bartholomew; Thomas, and Matthew the publican; James the son of Alpheus, and Lebbeus, whose surname was Thaddeus; (Matthew 10:3); Mark 3:1818And Andrew, and Philip, and Bartholomew, and Matthew, and Thomas, and James the son of Alpheus, and Thaddeus, and Simon the Canaanite, (Mark 3:18); Luke 6:1515Matthew and Thomas, James the son of Alpheus, and Simon called Zelotes, (Luke 6:15); Acts 1:1313And 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 Alpheus, and Simon Zelotes, and Judas the brother of James. (Acts 1:13)). These are the only passages where with certainty this apostle is spoken of; but we find in the Acts of the Apostles a James at Jerusalem after the son of Zebedee had been killed, and holding a sort of first place there. He spoke with a measure of authority at the conference respecting the law not being enforced on the Gentiles, saying, “My sentence is ... ” This suggests that he was an apostle, and the son of Alphaeus (Acts 12:1717But he, beckoning unto them with the hand to hold their peace, declared unto them how the Lord had brought him out of the prison. And he said, Go show these things unto James, and to the brethren. And he departed, and went into another place. (Acts 12:17); Acts 15:1313And after they had held their peace, James answered, saying, Men and brethren, hearken unto me: (Acts 15:13); Acts 21:1818And the day following Paul went in with us unto James; and all the elders were present. (Acts 21:18); Gal. 2:9,129And when James, Cephas, and John, who seemed to be pillars, perceived the grace that was given unto me, they gave to me and Barnabas the right hands of fellowship; that we should go unto the heathen, and they unto the circumcision. (Galatians 2:9)
12For before that certain came from James, he did eat with the Gentiles: but when they were come, he withdrew and separated himself, fearing them which were of the circumcision. (Galatians 2:12)). He was most probably the writer of the Epistle of James, and the brother of Jude, or Judas, who was also an apostle (Luke 6:1616And Judas the brother of James, and Judas Iscariot, which also was the traitor. (Luke 6:16); James 1:11James, a servant of God and of the Lord Jesus Christ, to the twelve tribes which are scattered abroad, greeting. (James 1:1); Jude 11Jude, the servant of Jesus Christ, and brother of James, to them that are sanctified by God the Father, and preserved in Jesus Christ, and called: (Jude 1)).