Jahan Shah
Qara Yusuf's death in 1420 left his sons Ispend bin Yusuf, Iskander, Jahan Shah and Abu Said fighting over the succession. The Sa’dlu tribe, one of the main sub-tribes of the Kara Koyunlu, declared Ispend who was in Chokhur-e Sa'd province at that time as their new chief. Abu Sa’id had to flee and Jahan Shah went to Baghdad. Iskander on the other hand was supported by his brother Shah Muhammad who was governing Baghdad at that time. Soon Iskandar was crowned on 2 July 1421 with Kara Koyunlu amirs Amir Qara and Qadam Pasha in Alinja Tower. Soon Ispend also swore fealty to him and they joined together to fight the Ak Koyunlu who were invading from the west, and defeated them.