[citation needed] Champassak, formerly the southern part of Lan Xang, seceded from it in 1713.
[citation needed] In 1718, the first Lao muang in the Chi valley — and indeed anywhere in the interior of the Khorat Plateau — was founded at Suwannaphum District in present-day Roi Et Province by an official in the service of this king.
[2] His full name was "Somdetch Brhat Chao Jaya Sri Samudra Buddhangkura".
He is reckoned posthumously to have been born in 1693 as "Prince (Chao) Nakasatra Sungaya" or "Nokasat Song".
[citation needed] This biography of a member of a Laotian royal house is a stub.