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 Syria a vassal state of the Mongol Empire. In 1255 Hulagu sought to further expand the Empire into the Middle East under orders from his older brother, the Great Khan Möngke. Hulagu's forces subjugated multiple peoples along the way, most notably the center of the Islamic Empire, Baghdad, which was completely sacked in 1258, destroying the Abbasid Caliphate. From there, the Mongol forces proceeded into Syria. In 1260, Egypt was under the control of the Bahri Mamluks, while most of the Levant (aside from the Crusader states) was still under the control of Ayyubid princes. The Mongols, for their part,