Leviticus 15:23

15:23 If there is something on the bed or on the furniture she sits on, when he touches it he will be unclean until evening,

Leviticus 18:7

18:7 You must not expose your father’s nakedness by having sexual intercourse with your mother. She is your mother; you must not have intercourse with her.

Leviticus 18:14-15

18:14 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. 18:15 You must not have sexual intercourse with your daughter-in-law; she is your son’s wife. You must not have intercourse with her.

Leviticus 18:18

18:18 You must not take a woman in marriage and then marry her sister as a rival wife while she is still alive, to have sexual intercourse with her.