Yao, the legendary ancient sage of China, is called in Shangshu and Shiji. Later generations also said that he was Tang Tao, surnamed Qi Yi, so he was also called Tang Yao.

Shun, known as Yao, is the legendary holy king. According to Historical Records, Shun's name was Zhong Hua, and Huangfu Mi in the Jin Dynasty said that he was a gentleman. Shun is also called Yu Shun.