al-Mahdi
Caliph of Baghdad
Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh al-Manṣūr, better known by his regnal name al-Mahdī, was the third Abbasid Caliph who reigned from 775 to his death in 785. He succeeded his father, al-Mansur. Wikipedia
Born: August 3, 744 AD, Ahvaz, Iran
Died: August 4, 785 AD (age 41 years)
Spouse: Al-Khayzuran
Children: al-Hadi, Harun al-Rashid, Ibrahim ibn al-Mahdi, and more
Great-grandparent: Ali ibn Abd Allah ibn al-Abbas
Parents: al-Mansur and Arwa bint Mansur al-Himyari
Grandchildren: al-Ma'mun, Al-Amin, al-Mu'tasim, and more