Strong G3994 πενθερά penthera · mother-in-law

Luke

1. Luke 4:38
   And he arose out of the synagogue, and entered into Simon’s house. And Simon’s wife’s mother was taken with a great fever; and they besought him for her.
2. Luke 12:53
   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.