Leviticus 18:9

18:9 You must not have sexual intercourse with your sister, whether she is your father’s daughter or your mother’s daughter, whether she is born in the same household or born outside it; you must not have sexual intercourse with either of them.

Leviticus 20:17

20:17 “‘If a man has sexual intercourse with his sister, whether the daughter of his father or his mother, so that he sees her nakedness and she sees his nakedness, it is a disgrace. They must be cut off in the sight of the children of their people. He has exposed his sister’s nakedness; he will bear his punishment for iniquity.

Leviticus 20:2

20:2 “You are to say to the Israelites, ‘Any man from the Israelites or from the foreigners who reside in Israel who gives any of his children to Molech must be put to death; the people of the land must pelt him with stones.

Leviticus 13:1

Infections on the Skin

13:1 The Lord spoke to Moses and Aaron:

Leviticus 13:8-14

13:8 The priest must then examine it, and if the scab has spread on the skin, then the priest is to pronounce the person unclean. It is a disease.

A Swelling on the Skin

13:9 “When someone has a diseased infection, he must be brought to the priest. 13:10 The priest will then examine it, and if a white swelling is on the skin, it has turned the hair white, and there is raw flesh in the swelling, 13:11 it is a chronic disease on the skin of his body, so the priest is to pronounce him unclean. The priest must not merely quarantine him, for he is unclean. 13:12 If, however, the disease breaks out on the skin so that the disease covers all the skin of the person with the infection from his head to his feet, as far as the priest can see, 13:13 the priest must then examine it, and if the disease covers his whole body, he is to pronounce the person with the infection clean. He has turned all white, so he is clean. 13:14 But whenever raw flesh appears in it he will be unclean,

Ezekiel 22:11

22:11 One commits an abominable act with his neighbor’s wife; another obscenely defiles his daughter-in-law; another violates his sister – his father’s daughter – within you.