nong Quanfu and nong Xiaqing have the same surmame “Nong”and they are both Zhuangs,but they are not blood brothers,cousins or sworn brothers either,and there is no historical record whether they are of the same clan or not.

Interethnic Relationship and Interaction Between the Zhuang in China and the Nung in Vietnam;

On the Creation of Operas of Manon and Manace Lescaut;