C67 Brother-in-law Brother-in-law?

A series of quarrels could be heard, and the one who caused all of this was Lau Dazhu. He was leading a group of juniors to stand in front of the Wang family's entrance, knocking on the door continuously.

Liu's father and Lau Dazhu even said righteously, "Zhang Bailian, you old b * tch. Your father's son married into your family, and you sold my daughter-in-law