Mengjiang royal family was the family of Prince Demchugdongrub, the puppet ruler of Mengjiang, a part of Inner Mongolia controlled by the Japanese during the Second Sino-Japanese War.
- Demchugdongrub, Mongol prince of the Qing dynasty and ruler of Mengjiang
- Namuzilewangchuke, Demchugdongrub's father and the chief of the Xilinguole Alliance
- Taijide princess, Demchugdongrub's wife
- Dugursulong, Demchugdongrub's son
- Taijide princess of the Abaga Banner, Demchugdongrub's daughter
- Shanqi, a distant relative of Demchugdongrub
- Kawashima Yoshiko, Shanqi's daughter