Deuteronomy 27:23

23 ‘Cursed is he who sleeps with his mother-in-law.’ And let all the people 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 is he who lies with any animal.’ And let all the people say, ‘Amen!’

22 ‘Cursed is he who sleeps with his sister, the daughter of his father or the daughter of his mother.’ And let all the people say, ‘Amen!’

23 ‘Cursed is he who sleeps with his mother-in-law.’ And let all the people say, ‘Amen!’

24 ‘Cursed is he who strikes down his neighbor in secret.’ And let all the people say, ‘Amen!’

25 ‘Cursed is he who accepts a bribe to kill an innocent person.’ And let all the people say, ‘Amen!’