Mongol invasions of India invasions might give a better indication of the numbers involved, as these commanders probably led tumens, units nominally of 10,000 men. These invasions were led by either various descendants of Genghis Khan or by Mongol divisional commanders; the size of such armies was always between 10,000-30,000 cavalry although the chroniclers of Delhi exaggerated the number to 100,000-200,000 cavalry. After civil war broke out in the Mongol Empire in the 1260s, the Chagatai Khanate controlled Central Asia and its leader since the 1280s was Duwa Khan who was second in command of Kaidu Khan. Duwa was active in Afghanistan, and attempted
Kublai Khan Then he married Chabi of the Khongirad, who was his most beloved empress. After Chabi's death in 1281, Kublai married Chabi's young cousin, Nambui, presumably in accordance with Chabi's wish. Kublai and his wives' children included: Kublai's seizure of power in 1260 pushed the Mongol Empire into a new direction. Despite his controversial election, which accelerated the disunity of the Mongols, Kublai's willingness to formalize the Mongol realm's symbiotic relation with China brought the Mongol Empire to international attention. Kublai and his predecessors' conquests were largely responsible for re-creating a unified, militarily powerful China. The Mongol rule of Tibet, Manchuria,