You must not have sexual relations with your sister, either your father's daughter or your mother's daughter, whether she was born in the same home or elsewhere.

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 of 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.

The nakedness of your sister, the daughter of your father, or daughter of your mother, whether she be born at home, or born abroad, even their nakedness you shall not uncover.