Beijing coup. Feng occupied Beijing and forced Cao to resign. His brother, Cao Rui, committed suicide while he was under house arrest. In 1926, Cao Kun was released from captivity as a goodwill gesture by Feng to Wu Peifu. Cao died in his home at Tianjin in May 1938. References Citations Sources |- 1862 births 1938 deaths Beiyang Army personnel Presidents of the Republic of China Republic of China warlords from Tianjin 20th-century Chinese heads of government Trustees of educational establishments Members of the Zhili clique Empire of China (1915–1916)