Chan Kau (aka Chan Yau Kau) was a student of Chan Heung, the founder of Choy Li Fut Kung Fu. After Chan Heung's first son Chan On-Pak passed away and Chan Koon-Pak, the second son of the system's founder went to Kong Moon intending to be a merchant, the only qualified person to teach in the village was Chan Yau Kau. Chan Yau Kau took the position as head instructor