Religion in the Mongol Empire John of Montecorvino who was appointed by the Papal states of Europe. The religion never achieved a great position in the Mongol Empire, but many Great Khans and lesser leaders were raised by Christian mothers and educated by Christian tutors. Some of the major Christian figures among the Mongols were: Sorghaghtani Beki, daughter in law of Genghis Khan, and mother of the Great Khans Möngke, Kublai, Hulagu and Ariq Boke; Sartaq, khan of Golden Horde; Doquz Khatun, the mother of the ruler Abaqa; Nayan, a descendant of one of Genghis Khan's brothers, who raised a rebellion against Kublai in Manchuria;
Division of the Mongol Empire supported Kublai's rival claimant, Ariqboke. Hulagu died on February 8, 1264. Berke sought to take advantage and invade Hulagu's realm, but he died along the way, and a few months later, Alghu Khan of the Chagatai Khanate died as well. Kublai named Hulagu's son Abaqa as a new Ilkhan, and Abaqa sought foreign alliances, such as attempting to form a Franco-Mongol alliance with the Europeans against the Egyptian Mamluks. Kublai nominated Batu's grandson Möngke Temür to lead the Golden Horde. Ariqboqe surrendered to Kublai at Shangdu on August 21, 1264. The establishment of the Yuan dynasty (1271–1368) by Kublai Khan