There were many different ways to address an uncle, depending on the place and cultural background. In China, your uncle can call you cousin. However, the specific way of addressing him depends on the relationship between you and your uncle, as well as the cultural customs. If the search results don't provide a definite answer, then I don't know how to address your uncle.
A cousin's uncle referred to the husband of his father's sister. According to the kinship in China, you can call your uncle "uncle".
There were many different ways to address an uncle, depending on the place and cultural background. In China, your uncle can call you cousin. However, the specific way of addressing him depends on the relationship between you and your uncle, as well as the cultural customs. Since no specific relationship or cultural background was provided, it was impossible to determine the specific form of address.
Your child can address your uncle as "auntie".
A father's uncle could be called son-in-law by his son. In some places, uncle-in-law could also be addressed as paternal uncle, paternal aunt, or paternal aunt. The origin of this form of address was because in the past, the girls of rich families were called young ladies. After they got married, their husbands had the same seniority as the girls, so the servants usually called them son-in-law. However, this form of address might vary from place to place, because differences in local customs would lead to different forms of address.
Your daughter should call her aunt.
Brother-in-law's son called your nephew.
Brother-in-law and sister's child call me nephew.
In the end, Jin Ling didn't call Wei WuXian uncle. Although Wei WuXian had always protected Jin Ling, Jin Ling didn't call him uncle. The relationship between them was more like two children who had not grown up. Sometimes they quarreled with each other and sometimes they tried to sabotage each other. Although they protected each other, Jin Ling didn't call Wei WuXian uncle at the last moment.
Maybe you and your uncle Romie discussed the plot or characters while reading the story.