Analysis of information sources in references of the Wikipedia article "Qara Qoyunlu" in English language version.
Their ruling family seems to have come from the Yïwa or Iwa clan of the Oghuz, and the seats of their power in the fourteenth century lay to the north of Lake Van and in the Mosul region of northern Iraq.
The disintegration of Timur's empire into a growing number of Timurid principalities ruled by his sons and grandsons allowed the remarkable rebound of the Ottomans and their westward conquest of Byzantium as well as the rise of rival Turko-Mongolian nomadic empires of the Aq Qoyunlu and Qara Qoyunlu in western Iran, Iraq, and eastern Anatolia. In all of these nomadic empires, however, Persian remained the official court language and the Persianate ideal of kingship prevailed.
{{cite encyclopedia}}: CS1 maint: location missing publisher (link)Their ruling family seems to have come from the Yïwa or Iwa clan of the Oghuz, and the seats of their power in the fourteenth century lay to the north of Lake Van and in the Mosul region of northern Iraq.