Thammalangka

Thammalangka (Northern Thai: ; Thai: พระยาธรรมลังกา, พระญาธัมมลังกา, Dharmalaṅkā) or Phraya Chang Puek (Thai: พระยาช้างเผือก, lit. 'Lord of the White Elephant') is the third son of Chao Pha Chai Keaw and princess Chandadevi. He was born in 1746. He joined his brothers, Kawila, Khamsom, Duangthip, Moola, Khamfan, and Bunma to unite Lanna with Siam in 1774. In 1805, Rama I promoted him to be the Uparaja of Chiangmai when Kawila was a ruler. In 1816, Kawila died, he was promoted to be the ruler of Chiangmai. Khamfan, his younger brother who was the ruler of Lamphun became Uparaja of Chiang Mai. Bunma became the ruler of Lamphun. When they went to Bangkok, he gave a white elephant to Rama II and received the name Chao Phraya Chang Pueak Thammalangka. During his reign, he renovated the temples and city walls and created three canals for the people in Chiangmai city. He ruled Chiangmai for six years. He died on 4 May 1822 at the age of 77.