TSK · Leviticus 20:11

"'You shall not uncover the nakedness of your father, nor the nakedness of your mother: she is your mother. You shall not uncover her nakedness.

'Cursed is he who lies with his mother-in-law.' All the people shall say, 'Amen.'

It is actually reported that there is sexual immorality among you, and such sexual immorality as is not even named among the Gentiles, that one has his father's wife.