The Mongol prince <answer>Godan</answer>, a grandson of Genghis Khan, raided as far as Lhasa. During his attack in 1240, Prince <answer>Godan</answer> summoned Sakya Pandita (1182–1251), leader of the Sakya school of Tibetan Buddhism, to his court in what is now Gansu in Western China. With Sakya Pandita's submission to <answer>Godan</answer> in 1247, Tibet was officially incorporated into the Mongol Empire during the regency of Töregene Khatun (1241–1246). Michael C. van Walt van Praag writes that <answer>Godan</answer> granted Sakya Pandita temporal authority over a still politically fragmented Tibet, stating that "this investiture had little real impact" but it was significant in that it established the unique "Priest-Patron" relationship between the Mongols and the Sakya lamas.
Who was the Mongol prince?
Godan