Souvanna Phouma
Souvanna Phouma, together with his brother, Prince Phetsarath Rattanavongsa (1891–1959) and his half-brother, Prince Souphanouvong (1909–1995), around the end of World War II, joined the Lao Issara (Free Laos) movement established to counter the French occupation and its provisional Vientiane government (1945–46).