in Laos. Along with other leading families of Southern Laos and Chinese businessmen working in the opium trades, they dominated political and economic life in Southern Laos. At the time they were the national symbol and rallying point of the Laotian right centered around Prince Boun Oum na Champassak. Notable members King Ratsadanay, last King of Champassak. Died in June 1946, in the Bassac River. Chao Boun Oum na Champassak, Prime Minister of Laos. Died in 1981, in France. Prince Sisouk na Champassak, Former Finance and Defence Minister, Secretary General of the Royal Government of Laos. Author of Storm over Laos. Died in 1985, in Santa Ana, California, USA. References Asian royal families History of Laos Thai families