Leviticus 12:2

12:2 “Tell the Israelites, ‘When a woman produces offspring and bears a male child, she will be unclean seven days, as she is unclean during the days of her menstruation.

Leviticus 12:4

12:4 Then she will remain thirty-three days in blood purity. She must not touch anything holy and she must not enter the sanctuary until the days of her purification are fulfilled.

Leviticus 18:11

18:11 You must not have sexual intercourse with the daughter of your father’s wife born of your father; she is your sister. You must not have intercourse with her.

Leviticus 20:14

20:14 If a man has sexual intercourse with both a woman and her mother, it is lewdness. Both he and they must be burned to death, so there is no lewdness in your midst.