There every Lao and Thai want to know who you are "Siamese" was son of K'un Borom too and Siames is was related to Lao, Simese has different mother, but the same father as Lao. reader below:
History omits the story of the pumpkins, and says those who came first to Muang Sawa were the descendants of K'un Law, the eldest son of K'un Borom, by his wife Nang Pola. The second son was Chet Chieng, who founded Chieng Kwang, or Puan ; the third son was Ti-Palan, who founded Laksa Kuha, or Yunan.
The second wife had four sons : Chu-Song, who founded Pa-Kung, or Anara ; Lak-Kong, who founded Hongsawadi (Pegu) ; Lai Pong, who founded Chieng Dao, or Aleve (Chieng Hung, Siamese " Rung," the Lao having no R) ; Kun In, the youngest, who founded Si Ayiw t'ia. Thus Muang Teng is regarded as the distributing centre of all the population of Indo-China.