The Caliphate tree'd tae control aw thir regions, an for this reason Bogha decidit tae repopulate the ceety o Chamkor in the Kura river wi Muslims. Chamkor, bein near Barda an Ganja, wis intendit tae act as a regional monitorin post. Bi order o the new Caliph in 862, the impreesoned princes wur tae be released an alloued tae return tae thair umwhile domains on the condeetion o becomin Muslim. (Housomeivver, thay aw abandoned Islam efter thair return.)