You must not expose the nakedness of your father’s brother; you must not approach his wife to have sexual intercourse with her. She is your aunt.

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.

Amram married his father’s sister Jochebed, and she bore him Aaron and Moses. (The length of Amram’s life was 137 years.)