The details are as follows.
The parents of the in-laws are generally called uncle, aunt or uncle and aunt respectively according to their age difference with their own parents. 1. Directly address "in-laws", "in-laws' father-in-law" and "in-laws' mother"; 2. The surname is brother (sister), such as "Brother Zhang", "Sister Li", "Brother Zhao" and "Sister Wang"; 3. The name of the other person's child, mother. (Dad) is called xx mother and x father; 4. The names of aunts (uncles) of your children are called xx aunt and x uncle; 5. If you are familiar with them, you can directly call them "Lao Zhang" and "Lao Li" .
In-laws, a Chinese term, refers to the title used by the parents of a married man and woman to call each other’s parents. Men are called father-in-law, and women are called mother-in-law. In some areas, it also refers to the title between the godparents, such as the godfather and godmother of the child, and can also be called the in-laws. "Xunzi·Feixiang": "No woman wants to be a husband, no virgin is willing to be a scholar, and those who abandon their relatives and want to run away should stand shoulder to shoulder." 3. Generally referred to as the home of relatives. Han Wang Fu's "Qianfu Lun·Sixian": "Since the Spring and Autumn Period, under the system of the Warring States Period, generals, ministers, and ministers must be related to their in-laws: the queen's brothers, the master's grandson, although they are young, they have not been freed from their shackles, so they take advantage of their official positions and merits. If you don’t add people, you won’t be defeated and you will be able to gain the title of marquis.”