In 1859 it is recorded that he discovered the mass of water which was called by Yao people as Nyasa in Chiyao. Source: Internet
The failure of converting the Yao Muslims to Christianity contributed to the appearing of the negative history of the Yao people. Source: Internet
They actually trace their origins to Yao people rather than Han Chinese, but nevertheless have been heavily influenced by Chinese culture and speak a variant of Cantonese. Source: Internet