Leviticus 18:14

New Century Version

You must not have sexual relations with the wife of your father’s brother, because this would shame him. She is your aunt.

Cross References

Leviticus 18:13

You must not have sexual relations with your mother’s sister; she is your mother’s close relative.

Leviticus 20:20

“ ‘If a man has sexual relations with his uncle’s wife, he has shamed his uncle. That man and his uncle’s wife will die without children; they are guilty of sin.