Mirza Yusuf
Mirza Yusuf was the last sultan of the Qara Qoyunlu, also known as the Black Sheep Turkomans, to have significant authority.
During reign of Jahan Shah
Mirza Yusuf was a son of Jahan Shah. He was appointed as governor of Fars in 1464, following his brother Diyaʾ al-Din Yusuf, after the 1460 revolt of his elder brother Pir Budaq. However, he was captured on 11 November 1467 at the Battle of Chapakchur by Uzun Hasan and blinded.Reign
He was declared sultan by Pir Ali Beg Baharlu, Jahan Shah's amir-al-umara and minister, in 1468. He was soon joined by Sultan Ali and a rival prince of the Aq Qoyunlu, Mirza Mahmud Beg. They had some military successes in Luristan. However, Mirza Yusuf was soon defeated by Uzun Hasan and had to retreat to Shiraz, where he was killed by Uzun Hasan's son Ughurlu Muhammad on 22October 1469. Pir Ali Beg Baharlu fled to the court of the Timurid ruler Hasan Bayqara.In Shiraz, the Aq Qoyunlu took over, with their the Governor Sultan Khalil, also a son of Uzun Hasan.