'Brother' in the Bible

But the tribe of Judah told the tribe of Simeon, the descendants of Judah's brother, "Come with us into our territory, and we'll both fight the Canaanites. In return, we'll go with you when you fight in your territory." So the army of the tribe of Simeon accompanied the army of the tribe of Judah.

Othniel, Caleb's nephew through his younger brother Kenaz, captured the city, so Caleb awarded him his daughter Achsah in marriage.

The army of Judah accompanied the army of Simeon, Judah's brother, as they attacked the Canaanites who were living in Zephath, and they completely destroyed it. Then they renamed the city Hormah.

When the Israelis cried out to the LORD, the LORD raised up Othniel son of Caleb's younger brother Kenaz, to deliver them, and he did.

Then Jotham escaped by running away. He went to Beer and remained there because of his brother Abimelech.

so that the violence committed against the 70 sons of Jerubbaal might come back on their brother Abimelech, who murdered them, and so it might come back on the "lords" of Shechem, who provoked him to murder his brothers.