Nyora kuenderera mberi kweiyi ndima - YeKurasani mavambo, sekureva kwa al-Kindi pakutanga aive nhengo isingakoshe yevanonzi "abna<unk> al-dawla", mauto eKurasani akaumba musimboti wehurumende yeAbbasid. Akauya kuEgypt muna 799 ari mumudungwe waal-Layth ibn al-Fadl, uye akakurumidza kukwira chinzvimbo che pesvedzero mukati me "abna<unk>" yemuno. Makore ekutanga ezana ramakore rechi 9 yaive nguva yemhirizhonga kuEjipitori, uko vakuru vekare vevagari vekutanga veArab veFustat vakarasikirwa nesimba ku "abna<unk>" uye vakwikwidzi vavo, madzinza eYemeni ekuchamhembe kweEjipitori, akaunganidzwa akatenderedza Abd al-Aziz ibn al-Wazir al-Jarawi. Kutora mukana wekuparara kwesimba repakati reAbbasid nekuda kwehondo yevagari vemo
pakati pa al-Amin na al-Ma'mun, Abd al-Aziz na al-Sari, nemapoka avo, vakapinda muhondo ine utsinye yekudzora dunhu iro muna 813 rakanga rapatsanura Egypt pakati pavo, nemaYemenis akabata kuchamhembe uye al-Sari Fustat nekumaodzanyemba.