'Daughters in law' in the Bible

And she riseth, she and her daughters-in-law, and turneth back from the fields of Moab, for she hath heard in the fields of Moab that God hath looked after His people, -- to give to them bread.

And she goeth out from the place where she hath been, and her two daughters-in-law with her, and they go in the way to turn back unto the land of Judah.

And Naomi saith to her two daughters-in-law, 'Go, turn back, each to the house of her mother; Jehovah doth with you kindness as ye have done with the dead, and with me;