Pedzisa mutsara unotevera: Pakazosvika 811/2 Ishaq akagadzwa naal-Amin gavhuna weArminiyah, nemwanakomana wake al-Fadl achishanda semutevedzeri wake ikoko. Kutevera kuvamba kwe
Hondo yevagari vemo pakati peAl-Amin naAl-Ma'mun akafunga kutora chinzvimbo mudunhu uye kupikisa lieutenant waAl-Ma'mun Tahir ibn Muhammad al-San'ani, uyo akatumirwa kunotora Arminiyah neAdharabayjan pachinzvimbo chemubatsiri wake. Mushure mekuunganidza rutsigiro rwevamwe vakuru vemuno akaenda kuBarda, asi akakurumidza kusangana neuto guru raitungamirirwa naZuhayr ibn Sinan al-Tamimi iro al-San'ani akanga atumira kuzomurwisa. Pashure pokurwisana kwakapfuurira kwechikamu chikuru chezuva Ishaq navatsigiri vake vakakundwa, nepo mwanakomana wake Ja'far akabatwa ndokuendeswa somusungwa kuna al-Ma'mun.