Leviticus 20:14
TSK
If a man has marital relations with both a woman and her mother, it is lewdness. Both he and they must be burned to death, so there is no lewdness in your midst.
TSK
TSK · Leviticus 18:17
Treasury of Scripture Knowledge references in NET.
Amos 2:7
TSK
They trample on the dirt-covered heads of the poor; they push the destitute away. A man and his father go to the same girl; in this way they show disrespect for my moral purity.