Society of the Mongol Empire bill punishable by death. To avoid devaluation, the penalty for forging or counterfeiting was also death. Members of the Golden Kin (or Golden Family - "Altan urag") were entitled to a share (khubi - хувь) of the benefits of each part of the Mongol Empire just as each Mongol noble and their family, as well as each warrior, was entitled to an appropriate measure of all the goods seized in war. In 1206, Genghis Khan gave large lands with people as share to his family and loyal companions, of whom most were people of common origin. Shares of booty were
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