From Job, in the Bible:
1:6 Now there was a day when the sons of God came to present themselves before the LORD, and Satan came also among them.
....... Any Questions?
yes, whats your point?
Not sure what your point is, but that scripture pretty much proves that Satan is NOT a son of God, therefore, Satan is NOT a brother of Jesus.
Just one: why would anyone think that Satan is Jesus' brother?
Nope, no questions. The Bible is clearly separating Satan from "the sons of God". The Bible makes it clear that Satan was an angel. The Bible also makes it clear that NO angel has ever been called a "son of God".
Thanks for pointing this verse out!