'Mother in law' in the Bible

When Jesus went into Peter’s house [in Capernaum], He saw Peter’s mother-in-law lying sick in bed with a fever.

For I have come to set a man against his father, and a daughter against her mother, and a daughter-in-law against her mother-in-law;

Now Simon’s mother-in-law was lying sick with a fever; and immediately they told Him about her.

Then Jesus got up and left the synagogue and went to Simon’s (Peter’s) house. Now Simon’s mother-in-law was suffering from a high fever, and they asked Him to help her.

They will be divided, father against son and son against father, mother against daughter and daughter against mother, mother-in-law against daughter-in-law and daughter-in-law against mother-in-law.”