Your daughter can call your sister's husband "uncle." This was because her sister's husband was called uncle in the family.
My sister's husband can be called brother-in-law, brother-in-law, or uncle.
My uncle's daughter should be called aunt.
Your daughter should call her aunt.
Her sister's husband could be called her brother-in-law or her brother-in-law's name.
The child calls my sister's husband uncle.
Your wife's sister's husband should be called brother-in-law.
The husband of a mother's biological sister was usually called uncle or uncle.
Your child can address your uncle as "auntie".
The following is a recommended novel about finding an ex-husband for her daughter: " After the divorce, the young madam shocked the world every day." This novel was about a female protagonist who brought her two children to the peak of her life after her divorce. It showed the female protagonist's independent struggle after the divorce, and also depicted her relationship with her ex-husband. This novel might be the one you're looking for about finding an ex-husband for your daughter.
Your uncle's daughter should be called Biao Yi.