Leviticus 20:20-21
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.
20:21 If a man has sexual intercourse with 1 his brother’s wife, it is indecency. He has exposed his brother’s nakedness; 2 they will be childless.
1 tn Heb “takes.” The verb “to take” in this context means “to engage in sexual intercourse.”
2 sn See the note on Lev 18:7 above.