his third son Yang Chien-hou (Jianhou) (1839-1917), who passed it to his sons, Yang Shao-hou (楊少侯, 1862-1930) and Yang Chengfu (楊澄甫, 1883-1936)and Niu Chunming (1881-1961).
The Cheng Man-ch'ing (Zheng Manqing) and Chinese Sports Commission short forms are said to be derived from Yang family forms, but neither is recognized as Yang family t'ai chi ch'uan by current standard-bearing Yang family teachers.