'Mother in law' in the Bible

Cursed be he that lieth with his mother in law. And all the people shall say, Amen.

And they lifted up their voice, and wept again: and Orpah kissed her mother in law; but Ruth clave unto her.

And Boaz answered and said unto her, It hath fully been shewed me, all that thou hast done unto thy mother in law since the death of thine husband: and how thou hast left thy father and thy mother, and the land of thy nativity, and art come unto a people which thou knewest not heretofore.

And she took it up, and went into the city: and her mother in law saw what she had gleaned: and she brought forth, and gave to her that she had reserved after she was sufficed.

And her mother in law said unto her, Where hast thou gleaned to day? and where wroughtest thou? blessed be he that did take knowledge of thee. And she shewed her mother in law with whom she had wrought, and said, The man's name with whom I wrought to day is Boaz.

So she kept fast by the maidens of Boaz to glean unto the end of barley harvest and of wheat harvest; and dwelt with her mother in law.

Then Naomi her mother in law said unto her, My daughter, shall I not seek rest for thee, that it may be well with thee?

And she went down unto the floor, and did according to all that her mother in law bade her.

And when she came to her mother in law, she said, Who art thou, my daughter? And she told her all that the man had done to her.

And she said, These six measures of barley gave he me; for he said to me, Go not empty unto thy mother in law.

For the son dishonoureth the father, the daughter riseth up against her mother, the daughter in law against her mother in law; a man's enemies are the men of his own house.

For I am come to set a man at variance against his father, and the daughter against her mother, and the daughter in law against her mother in law.

The father shall be divided against the son, and the son against the father; the mother against the daughter, and the daughter against the mother; the mother in law against her daughter in law, and the daughter in law against her mother in law.