"Hou" originally meant monarch. The Book of Songs uploaded: "The order of business is not the key, but the grandson of Wu Ding." Zheng Xuan wrote down various notes: "Later, Jun also."
The exact number of people cannot be counted. There are nearly 500 emperors in the history of China, and each emperor has two empresses on average.
The following figure is for reference only:
The list of concubines in Qin Dynasty is synonymous with the list of concubines in Han Dynasty: The list of concubines in Han Dynasty is as follows:
List of Empresses in Han Dynasty-China Encyclopedia Online http://www.zwbk.org/MyLemmaShow.aspx? lid = 2 1560 1
1 Western Han Dynasty
2 Eastern Han Dynasty
3 New Dynasty