察哈爾省
A Chahar born into the Plain White Banner in Chahar Province of the Qing dynasty, Demchugdongrub was the sole son of Namjil Wangchuk, the Duoluo Duling Junwang ( "Duōluō Dùléng Jùnwáng") of Sönid Right Banner and Chief of the Xilingol League. His name consists of the Tibetan words "Chakrasamvara" () and "Siddhartha" () respectively.