Al-Hadi Izz ad-Din (1441 - April 18, 1495) was an imam of the Zaidi state in Yemen, who held the imamate in 1474–1495 in rivalry with other claimants.
Izz ad-Din bin al-Hasan bin Ali was a grandson of the counter-imam al-Hadi Ali (d. 1432) and a seventh-generation descendant of imam al-Hadi Yahya (d.
He was considered a forceful leader who revived some of the power of the Zaydiyyah imamate.
[2] Among his works were a text about how to prepare for afterlife, and a treatise on manumission of slaves as compensation for received injuries.
He sired eight sons, called an-Nasir al-Hasan, al-Husayn, Ahmad, al-Mahdi, Abdallah, Salah, Abdallah Junior, and Salah Junior.