Pedzisa mutsara unotevera: "Nhoroondo" yacho ine zvishoma zvisiri mubhuku raMikaeri, asi pane dzimwe nguva panenge pachitaurwa zvimwe. Iyo ine udzame zvikuru kupfuura "Chronicle of 846" isina mashoko akawanda. Rine nhungamiro yakasimba yechechi, kunyange zvazvo richirondedzera nzara nokudengenyeka kwapasi. Rine rondedzero inokosha ye
kusateerera mutemo kwakapararira muSiria pashure porufu rwamambo Hārūn al-Rashīd muna 809. Rinewo mashoko anokosha pamusoro pokukura kwenzanga yechiKristu muHarrān (Karrhai) umo vazhinji vacho vakanga vari vechihedheni. Ndiwo manyuko okutanga kutaura nezvechishamiso chegwayana rakadimburwa mukutendeuka kwaAnthony Rawḥ.