notable disciples include his eldest son cheng pui ki (1927-2004), nephew woo hsing / wu sing, cheng tin hung/zheng tianxiong/鄭天熊 (1930–2005), tang mong hun/menghen deng/鄧夢痕, tsang kim chau, liu kang chee, cheung yiu keung, sim tai chen/shen da zhen/沈大正, ma tin yik, leong fong, and liu kwong sum.