Leviticus 20:17-20 As for a man who takes his sister, the daughter of his father or the daughter of his mother, and sees her nakedness, and she sees his nakedness, this is a base thing, and they will be cut off before the eyes of the sons of their people. The nakedness of his sister has he exposed; his depravity shall he bear.

CLV⁽ⁱ⁾ ¹⁷ As for a man who takes his sister, the daughter of his father or the daughter of his mother, and sees her nakedness, and she sees his nakedness, this is a base thing, and they will be cut off before the eyes of the sons of their people. The nakedness of his sister has he exposed; his depravity shall he bear. ¹⁸ As for a man who lies with a menstruous woman and exposes her nakedness, he causes her fountain to be naked, and she exposes the fountain of her blood-flows. Then the two of them will be cut off from among their people. ¹⁹ The nakedness of your mother's sister or your father's sister you shall not expose, for he who does so causes his kin to be naked; their depravity shall they bear. ²⁰ As for a man who lies with his aunt, the nakedness of his uncle he has exposed. Their sin shall they bear; heirless shall they die.