'Brother' in the Bible

He is not to defile himself for his father or mother, or his brother or sister, when they die, because the hair consecrated to his God is on his head.

“Take the staff and assemble the community. You and your brother Aaron are to speak to the rock while they watch, and it will yield its water. You will bring out water for them from the rock and provide drink for the community and their livestock.”

Moses sent messengers from Kadesh to the king of Edom, “This is what your brother Israel says, ‘You know all the hardships that have overtaken us.

After you have seen it, you will also be gathered to your people, as Aaron your brother was.

They said, “Yahweh commanded my lord to give the land as an inheritance by lot to the Israelites. My lord was further commanded by Yahweh to give our brother Zelophehad’s inheritance to his daughters.