Muhammad ibn Buzurg-Ummid

Muḥammad ibn Buzurg-Ummīd () (died February 20, 1162) was the son of Kiyā Buzurg-Ummīd, and the third ruler of the Nizari Ismailis from 1138 until 1162 based in Alamut.
Career.
Upon the demise of Kiyā Buzurg-Ummīd on February 9, 1138, he was appointed as the commander of Alamut Castle by the third concealed Imam Hasan Al-Qāhir ibn Al-Muḥammad (القاهر) of the Nizārī Ismā'īlī state. He died in 1162 and was succeeded by his son Hasan ‘Alā Dhīkr‘īhī's-Salām.