Mongol Empire Genghis. Kublai successfully took power, but civil war ensued as he sought unsuccessfully to regain control of the Chagatayid and Ögedeid families. During the reigns of Genghis and Ögedei, the Mongols suffered the occasional defeat when a less skilled general was given a command. The Siberian Tumads defeated the Mongol forces under Borokhula around 1215–1217; Jalal al-Din defeated Shigi-Qutugu at the Battle of Parwan; and the Jin generals Heda and Pu'a defeated Dolqolqu in 1230. In each case, the Mongols returned shortly after with a much larger army led by one of their best generals, and were invariably victorious. The
The Legend of Kublai Khan while secretly building up their forces. Following Ögedei Khan's death, Töregene becomes the Regent of the Mongol Empire for some years until her son, Güyük, is elected as the new Great Khan. When Güyük dies in a conflict against his cousin Batu, his wife Qaimish takes over as the Regent for a brief period of time until Möngke becomes the new Great Khan. A few years later, after Möngke dies in a battle against the Song Empire at Diaoyu Fortress, Kublai and his younger brother Ariq Böke engage in a power struggle to seize the succession. Kublai eventually overcomes his