Temür followed his grandfather Kublai to suppress the rebellion of Nayan (Naiyan) and other rival relatives in 1287. Then he and Kublai's official, Oz-Temür, came to guard the Liao River area and Liaodong in the east from Nayan's ally, Qadaan, and defeated him. Kublai appointed Temür the princely overseer of Karakorum and surrounding areas in July 1293. Three Chagatai princes submitted to him while he was defending Mongolia (they fled to Chagatai Khanate soon and returned to Yuan dynasty again during the reign of Temür).