'Relatives' in the Bible

Moses summoned Mishael and Elzaphan, sons of Aaron’s uncle Uzziel, and said to them, “Come here and carry your relatives away from the front of the sanctuary to a place outside the camp.”

You are not to have sexual intercourse with a woman and her daughter. You are not to marry her son’s daughter or her daughter’s daughter and have sex with her. They are close relatives; it is depraved.

The Lord said to Moses: “Speak to Aaron’s sons, the priests, and tell them: A priest is not to make himself ceremonially unclean for a dead person among his relatives,

His uncle or cousin may redeem him, or any of his close relatives from his clan may redeem him. If he prospers, he may redeem himself.