sentences:  Nizar ibn al-Mustansir
  
  Abū Manṣūr Nizār ibn al-Mustanṣir (; 1045–1095) was a Fatimid prince, and the oldest son of the eighth Fatimid caliph and Isma'ili imam, al-Mustansir.When his father died in December 1094, the military strongman, al-Afdal Shahanshah, raised Nizar's younger brother al-Musta'li to the throne in Cairo, bypassing the claims of Nizar and other older sons of al-Mustansir.