Leviticus 20:12-14

New Catholic Bible

¹² If a man sleeps with his daughter-in-law, both of them must be put to death. They have done something perverse and their blood is upon their own heads. ¹³ If a man has sex with another man, like one would have sex with a woman, both of them must be put to death. Their blood is upon their own heads. ¹⁴ It is lewd for a man to marry a woman and her mother. Both he and they are to be burned with fire so that there might not be any lewdness among you.