The next kingdom founded after Veing Yonok Nakphan was "Hi Run Nakhon Nguen Yang Chiang Saen" which was ruled by the great Lanna king "phraya Mang Rai Maharaj." this king was believed to be the descendant of "Khun Jueng" who was regardad as the heroic ancestor of many Tai groups including the Tai Lue, Tai Lao and Tai Yuan.
Phraya Mang Rai Maharaj Brought glory and greatness to the Tai Yuan people living in Hi Run Nakhon Nguen Yang Chiang Saen. He then expandad his power to the Ping River Basin and foundad the great Lanna Kingdom in 1295 or 700 years ago. This kingdom's center was at Nop Buri Sri Nakhon Ping Chiang Mai. Later , he also merged the neighboring kingdoms of Hari Punchai of Lumpum and Ke Lang Nakhon Lampang into the great Lanna Kingdom