12th Imam NameMuhammad Father’s Name Al-Hasan bin Ali Mother’s Name Ummul Walad Narjis alias Saiqal Kunyah (Patronymic) Abu l-Qasim TitleAl-Mahdi, Al-Qa’im, Al-Hujjah, Al-Gha’ib, Sahibu’z-Zaman, Sahibu’l Amr.