1. The Han-Chinese Royal Family (1644-2010), Chow surname, is represented by the Chou Dynasty and its accompanying sister dynasty the Ming Dynasty (1368-1644), Chun surname.

1122-256 The Chou Dynasty
557- 581 Northern Chou Dynasty
951-960 Later Chou Dynasty
1644-2010 Modern Chou Dynasty

Surnames of people who make-up China's Chou Dynasty are as follows: Chow (Chou, Zhou), Lum (Lin), Chang (Cheng), Goo (Ku), Wu (Wo, Woo), Ing (Ng), Ching (Cheng), Ho, Chiang, Mau (Mao), Choy (Tsai), Sun, Yap (Yip, Ye, Yeh), Wong (Wang), Lai, Kee (Ke), Kwock (Kwok, Kok, Kuo, Guo), Lau (Liu), Loui (Lui), Dang (Teng, Tang, Deng, Dung), Siu (Hsiu, Hsiao) and Young (Yang, Yong). Also: Chock (Cheuk, Cho) and Tom (Tan, Tam)

2. The Manchurian Imperial Family consist of people with the surname of Aisin-Gioro (Non-Han-Chinese Imperial Family).

https://royal.manchukuo.org/
Imperial Qing Restoration Organization

Though security precautions do not allow me to say much, the nucleus of our family numbers about 300-600 people. The same size as Kuwait's Royal Family. 40 to 50 thousand related family members and about 20 to 60 million family members back in mainland China.

Greetings and Salutations,
I will use the term Your Grace for now as an address because it is the English term that can reach all the way to an Emperor but also descend ot the upper nobility. iven my situation Your Grace it seems apt. I do appreciate you joining my group on royalism. I enjoyed living and teaching in China and am pleased to participate in a dialogue with you. Over time we may have information to share and discuss.