Prime Minister of the Kingdom of Laos from 1948 to 1950 and then again from 1960 to 1962. He was exiled in 1975 when the Pathet Lao, a communist, came to power.
He studied at France's I'Ecole de droit.
He was the heir to the Kingdom of Champassack before the monarchy was abolished.
He married Mom Bouaphanh in 1943; the couple had six sons and three daughters.
He was succeeded by Souvanna Phouma as the Prime Minister of Laos in 1962.