Son Sann [SEP] place of death
of his parents came from wealthy landowning families in Trà Vinh Province, Vietnam. Son Sann's father, Son Sach moved to Cambodia prior to Son Sann's birth to serve as an official for Sisowath Souphanouvong, a brother of King Monivong. Son Sann studied in Phnom Penh and later Paris, where he graduated from the École des Hautes Études Commerciales in 1933. He briefly spent time in London, learning English in the process. Having returned to Cambodia in 1935 he joined the Civil Service, serving in the provinces of Prey
Veng and later Battambang where he was in charge of trade. Son Sann was also a member of a Cambodian economic mission to Tokyo in 1941.
Political career.
An early supporter of the Khmer Democratic Party, Son Sann became a member of its steering committee. He served as the vice-president of the Council of Ministers and Minister of Finance in the Sisowath Youtévong government from 1946-47. Following the death of Youtévong he retained his post as vice-president of the council of ministers (effectively Deputy Premier