This document is about Judah (Brother of Jesus). For other homonyms, please refer to the Judah document.
One of Jesus' brothers.
Matt 13:55“Is not this the carpenter’s son? Is not his mother named Mary and his brothers James, Joseph, Simon and Judah?
Mark 6:3“Is not this the carpenter, the son of Mary and brother of James and Joseph and Judah and Simon? And are not his sisters here with us?” And they took offense at him.
The one who wrote the Book of Jude.
Jude 1:1Judah, a servant of Jesus Christ and brother of James, To those who are called, beloved in God the Father and kept for Jesus Christ:
Here, Protestants refer to him as the physical brother of Jesus Christ, while Catholics refer to him as a very close disciple of Jesus Christ. (In Catholicism, it is a doctrine that the Virgin Mary maintained perpetual virginity.)