 He stayed in Beijing for about six months a year, starting in 1915, and engaged in political activities to protect the rights of the Mongols.In addition, Prince Öndür became the sole mainstay among the Mongols, because by that time, the other powerful princely houses, Princes Darkhan and Jorightu, had left the banner for Mukden.Yangsanjab was a disciple of the Janggiya Khutughtu, the highest-ranking lama in southern Mongolia.