About Xue Huaiyi

Huaiyi, né Feng Xiaobao (馮小寶), also referred to as Xue Huaiyi (薛懷義), was a Buddhist monk who was known for being the lover of Wu Zetian, the only female emperor in the history of China.
Tang emissaries to Sogdian King Varkhuman in Samarkand, 648–651 CE, Afrasiab murals

The most prominent Buddhist monks of the Tang dynasty

The Tang dynasty, or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD. Historians generally regard the Tang as a high point in Chinese civilization, and a golden age of cosmopolitan culture. From the outset, religion played a role in Tang politics. In his bid for power, Li Yuan had attracted a following by claiming descent from the Taoism sage Lao Tzu. People bidding for office would request the prayers of .