Watch VoirFilms. French documentary from 2013. Mao Zedong and his fourth wife Jiang Qing were married for 37 years, from 1939 until Mao's death in 1976. After his death, she was tried and imprisoned where, at the age of 77, she committed suicide. All the official portraits of her were removed after her death and she became a scapegoat of the things for which Mao was ultimately responsible.