Parent-in-law
A parent-in-law is a grown-up who has the legal affinity with another by being the parent of the other's spouse. numerous cultures in addition to legal systems impose duties in addition to responsibilities on persons connected by this relationship. A grown-up is a son-in-law or daughter-in-law to the parents of the spouse, who are in refine also the parents of those sisters-in-law and brothers-in-law if all who are siblings of the spouse as opposed to spouses of siblings. Together the members of this generation affinity chain are called the in-laws.