Jude the last book of the Bible before Revelation was written circa 70 to 80 A.D. The author Jude, being the brother of James, thus identifies himself as being the Lord Jesus’ half brother (Judas in Mark 6:3 and Matthew 13:55), there are 4 half brothers mentioned.
“Is this not the carpenter [Jesus], the Son of Mary, and brother of James, Joses, Judas, and Simon? And are not His sisters here with us? And they were offended at Him.” Mark 6:3.
“For I want you to know what a great conflict [struggle] I have for you and those in Laodicea, and for as many as have not seen my face in the flesh…” Colossians 2:1.