Deuteronomy 27:23

23 'Cursed be the one who lies with his mother-in-law.' And all the people shall say, 'Amen.'

Deuteronomy 27:23 Meaning and Commentary

Deuteronomy 27:23

Cursed [be] he that lieth with his mother in law
See ( Leviticus 18:7 Leviticus 18:8 ) . All these incestuous or brutal copulations may well be supposed to be done in secret: and all the people shall say Amen;
as abhorring such incest.

Deuteronomy 27:23 In-Context

21 'Cursed be the one who lies with any [kind] of animal.' And all the people shall say, 'Amen.'

22 'Cursed be the one who lies with his sister, the daughter of his father or the daughter of his mother.' And all the people shall say, 'Amen.'

23 'Cursed be the one who lies with his mother-in-law.' And all the people shall say, 'Amen.'

24 'Cursed be the one who strikes down his neighbor in secret.' And all the people shall say, 'Amen.'

25 'Cursed be the one who takes a bribe {to murder an innocent person}.' And all the people shall say, 'Amen.'