Imam al-Zahir li-Izaz Din Allah (AS) — The Seventh Fatimid Imam

The Son Who Inherited After the Disappearance

Sayyidna al-Zahir li-Izaz Din Allah (الظَّاهِرُ لِإِعزَازِ دِينِ اللَّه — the Manifest One for the Strengthening of Allah’s Religion) was the 19th Imam in the Ismaili Tayyibi chain and the 7th Caliph of the Fatimid dynasty. He ruled from 411–427 AH / 1021–1036 CE — a reign of approximately fifteen years.

He came to power in one of the most unusual transitions in Fatimid history: the mysterious disappearance of his father Imam al-Hakim bi-Amrillah (AS), who went out for a nocturnal ride on the Muqattam hills above Cairo in 411 AH and was never seen again.

Al-Zahir was approximately sixteen years old at the time of al-Hakim’s disappearance. He had received the nass of the Imamate and assumed his role as Imam and Caliph.

His Reign

Al-Zahir’s caliphate was, by Fatimid standards, relatively stable and unremarkable — a period of consolidation after the turbulence of al-Hakim’s reign.

Key aspects of his rule:

Administration: For much of his early reign, the caliphate was managed by effective viziers, including the capable Ali ibn Ahmad al-Jarjara’i, who stabilized the Egyptian economy and administration.

Syria: The Fatimids continued to hold significant territory in Syria, though the northern Syrian regions — particularly Aleppo — were controlled by the Mirdasids, a local Arab dynasty that had nominal Fatimid allegiance but practical autonomy. Al-Zahir negotiated rather than campaigned.

Religious policy: In marked contrast to his father al-Hakim, al-Zahir was moderate in religious policy. He reversed many of al-Hakim’s more extreme restrictions and allowed the communities of Egypt to practice more freely.

The Druze: The movement that venerated al-Hakim as a divine figure (later called the Druze) continued after al-Hakim’s disappearance. Al-Zahir took a firm stance against it — he had the Druze leader Hamza ibn Ali’s associate executed and declared the Druze belief heretical.

His Son and Successor

Al-Zahir (AS) died in 427 AH / 1036 CE. He was succeeded by his son Imam al-Mustansir Billah (AS) — who would go on to rule for sixty years, the longest reign in Fatimid history, and who would preside over both the heights and the beginning of the decline of Fatimid power.

Al-Mustansir was only seven years old when al-Zahir died.

His Place in the Imam Chain

See also: Imam Al Hakim Biamrillah, Imam Al Mustansir Billah, Fatimid Caliphate