Leviticus 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
"'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.
Deuteronomy 27:22
Cursed is the one who has sexual relations with his sister, the daughter of either his father or mother.' Then all the people will say, 'Amen!'
Ezekiel 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.
Leviticus 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.
2 Samuel 13:11-14
As she brought them to him to eat, he grabbed her and said to her, "Come on! Get in bed with me, my sister!"