, known as ṣāḥib al-zand̲j̲ , was the leader of the Zand̲j̲ [q.v.], the rebel negro slaves who for fifteen years (255-270/868-83) terrorised southern ʿIrāḳ and the adjoining territories. He was born in Warzanīn, a village near Rayy, and is said by some authorities to have been of Arab origin, being descended from ʿAbd al-Ḳays on his father’s side and from Asad on his mother’s. His name is generally given as ʿAlī b. Muḥammad b. ʿAbd al-Raḥīm. According to Ibn al-Ḏj̲awzī ( al-Muntaẓam , Hyderabad 1357, v, 2, 69) his real name was ¶ Bihbūd̲h̲. Al-Bīrūnī ( Chronology , 332; translation, 330) st…