Prince
Souvanna Phomma was installed as
oupahat of
Louang Phrabang in
1878. He was beheaded during the sacking of Luang Prabang, by
Deo-van-Tri[?], Laichau, on
June 8,
1887. He authored a
History of Louang Phrabang and had nineteen sons, including
Bounkhong, and thirty-one daughters.