Sun Yang
Sun Weishi had three siblings, one sister and two brothers. One of Sun Weishi's brothers, Sun Yang, was imprisoned with his father in 1927, when he was only twelve. Sun Yang was eventually released, became Zhu De's personal assistant, and became the president of Renmin University after the founding of the People's Republic of China. In 1967 Jiang Qing accused Sun Yang of being a spy for the Soviet Union, the Japanese, and the Kuomintang, and Sun Yang was tortured and killed by Maoist Red Guards in the basement of his own university.