Final answer:
James and Jude are traditionally identified as the New Testament writers who were brothers of Jesus. They authored the Book of James and the Epistle of Jude, respectively.
Step-by-step explanation:
The New Testament writers who were brothers of Jesus are traditionally identified as James and Jude. According to the Bible, James wrote the Book of James, and Jude wrote the Epistle of Jude. These books are part of the Christian New Testament and offer insight into early Christian beliefs and practices. Both writers were significant figures in the early Christian church and contributed to its foundational texts.