'Brothers' in the Bible

Moses then called to Mishael and Elzaphan, the sons of Uzziel, Aaron's uncle, and said to them, "Come near, carry your brothers away from the front of the sanctuary to a place outside the camp."

Then Moses said to Aaron and to Eleazar and Ithamar his other two sons, "Do not dishevel the hair of your heads and do not tear your garments, so that you do not die and so that wrath does not come on the whole congregation. Your brothers, all the house of Israel, are to mourn the burning which the Lord has caused,

"'The high priest -- who is greater than his brothers, on whose head the anointing oil is poured, who has been ordained to wear the priestly garments -- must neither dishevel the hair of his head nor tear his garments.

You may give them as inheritance to your children after you to possess as property. You may enslave them perpetually. However, as for your brothers the Israelites, no man may rule over his brother harshly.

after he has sold himself he retains a right of redemption. One of his brothers may redeem him,