How are the names of Xu and Wang connected?

How did the surnames Xu and Wang get together to give the sect a name?

A: Xu and Wang were named after each other, such as Xu, Xu, Xu, Xu, Xu Wangqing and Xu. This is Xu, and Xu is the leader. If it is here, it should be Wang, Wang, Wang, Wang,,,.

Xu xuyan