 After the death of Bulaji the office was given to his son Khudaidad.This was contested by Bulaji's brother, Qamar ud-Din, who desired to be "ulus beg" himself.His request for the office to be transferred to him was refused by Tughlugh Timur; consequently after the latter's death Qamar ud-Din revolted against Tughlugh Timur's son Ilyas Khoja Khan.