Leviticus 18:9
"You are not to have sexual relations with your sister, whether she's your father's daughter or your mother's daughter, whether she's born in your home or outside your home. You are not to have sexual relations with her.
Leviticus 20:17
"If a man takes his sister, his father's daughter, or his mother's daughter, so that he exposes her nakedness and she exposes his nakedness, it's a shameful thing. They are to be eliminated from contact with their people in front of their people's children. He has exposed his sister's nakedness. He'll continue to bear responsibility for his iniquity.
Deuteronomy 27:22
""Cursed is the one who has sexual relations with his sister, the daughter of his father or mother.' "Then all the people are to respond by saying, "Amen!'
Ezekiel 22:11
One of you commits detestable practices with his neighbor's wife. Another sexually defiles his daughter-in-law. Another humiliates his sister, his own father's daughter.
Leviticus 18:11
"You are not to have sexual relations with the daughter of your father's wife. Born of your father, she's your sister, so you are not to have sexual relations with her.
2 Samuel 13:11-14
But as soon as she brought them near him to eat, he overpowered her and told her, "Come here and have sex with me, my sister!"