Son Sen, alias Comrade Khieu or "Brother Number 89", was a Cambodian Communist politician and soldier. Wikipedia
Born: June 12, 1930, Tra Vinh, Vietnam
Died: June 10, 1997 (age 66 years), Anlong Veng, Cambodia
Party: Communist Party of Kampuchea
Spouse: Yun Yat
Previous office: Minister of National Defense of Cambodia (1976–1979)