The law of in-laws

Father    : Father in law ??

Mother  : Mother in law ??

Son         : Son in law ??

Daughter : Daughter in law ??

Brother.   : Brother in law ??

Sister       : Sister in law ??‍♀

Wife          : ???? ??

….

_She is not in Law.._
She Is The Law

Husband    : ????? ??‍♂

….

_Follow the Law_ ?