Leviticus 18:10
You must not have sexual relations with your son's daughter or your daughter's daughter, for that would shame your family.

Leviticus 18:11
You must not have sexual relations with the daughter of your father's wife, born to your father; she is your sister.

Leviticus 20:17
If a man marries his sister, whether the daughter of his father or his mother, and they have sexual relations, it is a disgrace. They must be cut off in the sight of their people. He has uncovered the nakedness of his sister; he shall bear his iniquity.

Deuteronomy 27:22
Cursed is he who sleeps with his sister, the daughter of his father or the daughter of his mother.' And let all the people say, 'Amen!'

2 Samuel 13:14
But Amnon refused to listen to her, and being stronger, he violated her and lay with her.