This empire collapsed after its final ruler proposed to a powerful governor's daughter and was rebuffed.
This empire collapsed after its final ruler proposed to a powerful governor's daughter and was rebuffed. Chancellor Bolad provided crucial source material for one history commissioned by one of this empire's rulers, and this empire's ruling dynasty married into the Byzantine royal family through Michael VIII's daughter, (*)  Marina Palaiologina. One ruler of this empire was baptized as Nicholas despite his father's conversion to Islam, and Chupan was a critical power broker in the later years of this empire after the death of Rashid al-Din Hamadani. This empire's founder's army lost the battle of Ain Jalut. For ten points, name this Mongol successor state, ruled at times by Abu Sa'id, Oljeitu, Gazan, and Hulagu Khan.
This empire collapsed after its final ruler proposed to a powerful governor's daughter and was rebuffed.
 Il-Khanate  (accept  Hulagu 's Khanate until "Hulagu")