The last one was Khoun Vang, who was then succeeded by: Both King Mangrai of Chiang Mai and Uthong of Ayutthaya are said to have been descendants of Khum Borom's younger sons.
of the story of Khoun Borôm believe that it describes Tai-speaking peoples arriving in Southeast Asia from China (mythically identified with heaven, from which the Tai chiefs emerge after the flood).
The system of dividing and expanding a kingdom in order to provide for the sons of a ruler agrees in general with the apparent organization and succession practices of ancient Tai village groups was called mueang.
Scholar David K. Wyatt believes[citation needed] that the Khoun Borôm myth may provide insight into the early history of the Tai people in Southeast Asia.
Versions of the Khoun Borôm myth occur as early as 698 CE in Xiang Khouang, and identify Tai-speaking kingdoms that would be formally established years later.