Name: ‘Ali ibnul Husain
Titles: Az-Zainul Abideen, As-Sajjaad
Kuniya: Abu Muhammad
Birthdate: 15th Jamadi-ul-Awwal 37 A.H. in Madina
Father: Imam Husain As-Shaheed (peace be upon him), 3rd Holy Imam
Mother: Shahr Bano, daughter of King Yazdigard II
Died: (Martyred) Date: 21st Muharram, 95 A.H.
Place: Madina, Arabia
Age: 58 years
Cause: Poisoned by Waleed bin Abdul Malik Marwan
Buried: Madina in Jannatul-Baqi

The holy Imam ‘Ali Zaynu ‘l-‘Abidin is the Fourth Apostolic Imam. His epithet was Abu Muhammad and was popularly titled as “Zaynu’l-‘Abidin”. The mother of this Holy Imam was the royal personage, Shahr Banu, the daughter of King Yazdgerd, the last pre-Islamic Ruler of Persia