Jude, 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:
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Aquinas Study Bible
AD 2017
The apostle Jude, called Thaddaeus, whom Matthew 10:3 and Mark 3:18 mentioned in their Gospels. (St. Bede) He was the brother of James the Less. (Bishop Richard Challoner)
Jude, who wrote the Catholic Epistle, the brother of the sons of Joseph, and very religious, while knowing the near relationship of the Lord, yet did not say that he himself was His brother.
And brother of James, the apostle and bishop of Jerusalem; he might have added, the brother of Christ, as he and the same St. James are so styled; i.e. cousin germans.
And called. That is, to all converted to the faith of Christ, whether they were Jews or Gentiles. (Witham)