TSK · Leviticus 18:9

"'You shall not uncover the nakedness of your father's wife's daughter, conceived by your father, since she is your sister.

'Cursed is he who lies with his sister, the daughter of his father, or the daughter of his mother.' All the people shall say, 'Amen.'

She answered him, "No, my brother, do not force me! For no such thing ought to be done in Israel. Don't you do this folly.