What is the relationship between brother-in-law?

Brother-in-law is brother-in-law relationship

Brother-in-law can also be called brother-in-law, which is a kinship term, referring to the wife's brother, while husband-wife relationship refers to the general name of man, wife and brother. Kinship is a social relationship between people, with a fixed identity and title, which is produced by marriage, consanguinity or adoption.

After the siblings of the same generation in the family get married, the relationship between husband and brother is brother-in-law and brother-in-law. My sister's husband calls his wife's brother big brother, also known as "brother-in-law".

The relationship with brother-in-law is called kinship.

My brother-in-law is my wife's eldest brother. In fact, I have called my wife brother-in-law and big brother all my life. The wife's eldest brother and wife are the biological children of her mother-in-law's bad old man. Their brother and sister have lived in a harmonious, happy and happy family since childhood and have been taken care of by their parents since childhood.

If we generally have a relationship with our brother-in-law in the south, we all call it a brother-in-law relationship, whether it is a brother-in-law or a brother-in-law, we all call it a brother-in-law relationship. In fact, we are all called uncles after our children's names, so we become brother-in-law and brother-in-law, and brother-in-law is the wife's brother-in-law. It is also possible to call it by a different name somewhere else.