Nayan (Mongol Prince) 'Prince of Kwang-ning'. In addition, Nayan was also the foremost leader of the Eastern "ulus"es (tribal groupings and districts ruled by Mongol appanage princes) dominated by the descendants of the brothers of Genghis Khan. Whatever the precise extent of Nayan's appanage, he certainly held sufficient lands within and around Manchuria to give him a power-base from which to launch a rebellion against his kinsman Kublai Khan. Nayan is represented as embodying a traditional Mongol reaction against the increasing sinicisation shown by Kublai Khan and his administration. Nayan adhered to the ancestral nomadic values of the Mongols and was dismayed at
Society of the Mongol Empire cultural and economic aspects of its unity. Turkic tribes seized the western end of the Silk Road from the decaying Byzantine Empire, and sowed the seeds of a Turkic culture that would later crystallize into the Ottoman Empire under the Sunni faith. Turkic–Mongol military bands in Iran, after some years of chaos were united under the Saffavid tribe, under whom the modern Iranian nation took shape under the Shiite faith. Meanwhile, Mongol princes in Central Asia were content with Sunni orthodoxy with decentralized princedoms of the Chagatai, Timurid and Uzbek houses. In the Kypchak–Tatar zone, Mongol khanates all but crumbled