Abū Manṣūr Ismāʿīl ibn al-Ḥāfiẓ, better known by his regnal name al-Ẓāfir bi-Aʿdāʾ Allāh or al-Ẓāfir bi-Amr Allāh, was the twelfth Fatimid caliph, reigning in Egypt from 1149 to 1154, and the 22nd imam of the Hafizi Ismaili sect. Wikipedia
Born: February 1133
Died: March 1154 (age 21 years), Cairo, Egypt
Parents: al-Hafiz
Children: al-Fa'iz bi-Nasr Allah and al-Adid
Grandchild: Daoud ibn al-Adid
Great grandchild: Sulayman ibn Daoud