You can check it on Baidu, ancestral hall.
Ancestral temples are generally dedicated to the ancestor of this surname, and like the Yifeng Zhao Gong Temple, this should be a person who has made great contributions to the world. After his death, the emperor allowed him to build an ancestral hall, or the local people They spontaneously built an ancestral hall for him (this kind of ancestral hall is more like a temple, and the people inside are almost mythologized).
Yifeng Meishan can be a place name or the person’s nickname