 After Mubariz al-Din Muhammad's conquest of Kerman in 1341, he organized a marriage between Shah Shoja and a daughter of one of the tribal Mongol chieftains who roamed the region.Shah Shoja later prevented his father from having the tomb of the prominent Persian poet Saadi Shirazi demolished, whom Mubariz al-Din Muhammad had condemned for his poems on religious factors.In 1358, Shah Shoja blinded and imprisoned his cruel father, and thus succeeded him as the ruler of the Muzaffarid dynasty.