He had 4 sons and 2 daughters with his wives; with Mae Chao Jammary: And with Mom Kaew: In 1909, Nawarat became acting ruling Prince of Chiang Mai.

His duties included commanding Northern soldiers to quash rebels, building roads in Chiang Mai and another province, and being special guard of the King as Major General of Royal Thai Army.

In 1914, Chao Dara Rasmi, the Princess consort of Chulalongkorn, who played a large role in the merger of Lanna with the Kingdom of Thailand, returned to Chiang Mai.

In 1933 Princess Phra Raja Jaya Chao Dara Rasmi died and the king oversaw her coffin lying in state at the Chedi Ngarm Palace (where it remained from December 9, 1933 to April 23, 1934).

Upon his death in 1939, the throne of the Lanna Kings, who had reigned over a Kingdom that was founded in the same period as Sukhothai and which existed for several centuries more, was abolished and replaced with a governors seat, which was appointed from Bangkok.