Leviticus 25:49

25:49 or his uncle or his cousin may redeem him, or anyone of the rest of his blood relatives – his family – may redeem him, or if he prospers he may redeem himself.

Leviticus 20:20

20:20 If a man has sexual intercourse with his aunt, he has exposed his uncle’s nakedness; they must bear responsibility for their sin, they will die childless.

Leviticus 10:4

10:4 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.”