Mongol invasions of the Levant to Genghis Khan was his son Ögedei, but the leadership was then taken by force by the descendants of Genghis' son Tolui. During the reign of Kublai Khan (son of Genghis' son Tolui), descendants of Genghis's other sons Ögedei, Chagatai, and Jochi sought to oppose the rule of Kublai. The Ilkhanate had been founded by Hulagu, another of Tolui's sons, who was therefore loyal to Kublai. The Golden Horde had been founded by Genghis' son Jochi, following the Mongol invasion of Central Asia. Genghis had designated several of the territories south of the Caucasus to Jochi, specifically Georgia, and the
Society of the Mongol Empire distributed much more widely. Empresses, princesses and meritorious servants, as well as children of concubines, all received full shares including war prisoners. For example, Kublai called 2 siege engineers from the Ilkhanate in Middle East, then under the rule of his nephew Abaqa. After the Mongol conquest in 1238, the port cities in Crimea paid the Jochids custom duties and the revenues were divided among all Chingisid princes in Mongol Empire accordance with the appanage system. As loyal allies, the Kublaids in East Asia and the Ilkahnids in Persia sent clerics, doctors, artisans, scholars, engineers and administrators to and received