At times when it refers to family, it means a natural brother, e.g., "And Jesus, walking by the sea of Galilee, saw two brethren, Simon called Peter, and Andrew his brother, casting a net into the sea..." Matthew 4:18. At other times, it refers to spiritual brothers, as: "But as touching brotherly love ye need not that I write unto you: for ye yourselves are taught of God to love one another." 1 Thessalonians 4;9. Again: "If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?" 1 John 4:20.
Jacob cheated his brother Esau.
The 65th book in the bible is written by Jude, the brother of Jesus.
Thomas is called a twin in the bible because he had a twin brother.
The book of James has been credited to James the brother of Jesus.
According to tradition, Lot and Sarah were brother and sister. No other brother of Sarah is mentioned.
Tamar's brother was Absalom
If you mean who was the murder victim in the book of Genesis in the Bible, it was Abel, who was killed by his brother, Cain.
In the Bible, Laban is brother-in-law to Isaac.
Yes Jude was his brother according to the bible.
Jacob cheated his brother Esau.
Esau was Jacob's twin brother.
Abel
Abel
The word brother appears 251 times in the Bible - too many to list.
The word "brother" is in the King James Version of the Bible 376 times. It is in 331 verses.
Laban.
The Bible does NOT say you can't marry your brother-in-law, although in many place it's illegal and you'll be prosecuted if you do.