imperial seals of office, and 150,000 domesticated animals, but that Tögüs Temür and his eldest son Tianbaonu escaped. Dreyer (1982) stated that the Ming captured 3000 notables, 70,000 ordinary Mongols, many domestic animals, the Northern Yuan crown prince and his younger brother, but that Tögüs Temür escaped. Tsai (2001) stated that the Ming captured Tögüs Temür's second son, General Qarajang, hundreds of thousands of Mongol people, and their livestock, but that Tögüs Temür and the crown prince escaped. In his flight from the Ming army, Tögüs Temür eventually arrived at the Tula River, where he was murdered by the Mongol chieftain Yesüder. References Buir Lake Buir Lake Wars involving the Northern Yuan dynasty Buir Lake 1388 in Asia