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Notes

Note on titles

According to a controversial 17th century Volga Bulgar source, early Bulgar leaders bore the title of baltavar, which might mean "ruler of Avars", although this is likely a folk etymology. The rulers of the Bulgars also acquired the traditional Turkic titles of possibly khan and certainly khagan, but the monarch's title was rendered as kanasybigi in the Bulgar inscriptions, as arkhōn (i.e., "ruler") in Greek translation and as rex (i.e., "king") in Latin. Whether kanasybigi is derived from or akin to "khan" and "khagan" is a matter of some dispute. In Slavic the generic term for ruler, knjaz