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
Mongol invasions of the Levant Tekuder's conversion to Islam and attempts to make peace with the Mamluks were not popular with the other nobles of the Ilkhanate. When Tekuder's brother Arghun challenged him for the throne, Tekuder sought assistance in vain from the Mamluks, but was executed. Arghun (1284–91) took power, and as directed by the Great Khan Kublai (r.1260-94) continued Mongol attempts to conquer Syria. In late 1299, the Mongol Ilkhan Mahmud Ghazan, son of Arghun, took his army and crossed the Euphrates river to again invade Syria. They continued south until they were slightly north of Homs, and successfully took Aleppo. There, Ghazan