Editing Batbayan (section)

{{Infobox monarch | name = Bat Bayan
| title = Ruler of Bulgars
| image = 
| reign = 667 to 690 CE
| predecessor = Kubrat
| successor = 
| spouse  =
| royal house = 
| father = Kubrat
| mother =
| birth_date =
| birth_place =
| death_date = 
| death_place =
| buried =
|}}

'''Batbayan''' ruled the [[Khazaria]]n [[Bulgars]] from 667 to 690 CE.<ref>
{{cite book
 |last1                = Dinkov
 |first1               = Stoyan
 |editor-last1         = Radev
 |editor-first1        = Radoslav
 |year                 = 2018
 |title                = Османо – Римска империя, българи и тюрки
 |url                  = https://books.google.com/books?id=XblQDwAAQBAJ
 |language             = bg
 |edition              = 2
 |publication-place    = Sofia
 |publisher            = Uncorp.org
 |access-date          = 21 August 2023
 |quote                = Каганите стават балтавари: Бат-Баян Дуло (667–690), Бу-Тимер (690–700), Сулоби (700–727), [...].
}} 
</ref><ref>Boris Zhivkov, Khazaria in the Ninth and Tenth Centuries, East Central and Eastern Europe in the Middle Ages, 450-1450, BRILL, 2015, {{ISBN|9004294481}}, p. 138 & 228-229.</ref> [[Theophanes the Confessor|Theophanes]] and [[Nikephoros I of Constantinople|Nicephorus]] record his rule after the [[Khazars]] defeated the Bulgars and [[Old Great Bulgaria]] disintegrated in 668 CE.<ref>Carl Waldman, Catherine Mason, Encyclopedia of European Peoples, Facts on File library of world history, Infobase Publishing, 2006, {{ISBN|1438129181}}. pp. 106-197.</ref>

There is a scholarly theory that he may have been the same person as '''Bezmer'''<ref>Boris Zhivkov, Khazaria in the Ninth and Tenth Centuries, East Central and Eastern Europe in the Middle Ages, 450-1450, BRILL, 2015, {{ISBN|9004294481}}, p. 228.</ref> of the [[Nominalia of the Bulgarian khans]] who may have been also the first son of [[Kubrat]].<ref>Florin Curta, Roman Kovalev as ed., "'The' Other Europe in the Middle Ages: Avars, Bulgars, Khazars and Cumans", Volume 2 of East Central and Eastern Europe in the Middle Ages, 450 - 1450, BRILL, 2008, {{ISBN|9004163891}}, p. 152.</ref> He was a member of the [[Dulo]] clan, who after Kubrat's death in the mid-7th century ruled [[Old Great Bulgaria]], but his rule lasted only three years.<ref>[[Vasil Gyuzelev]], The Proto-Bulgarians: Pre-history of Asparouhian Bulgaria, Sofia Press, 1979, p. 29.</ref> [[Kevin Alan Brook]] calls him Bayan.<ref>Kevin Alan Brook, [https://books.google.com/books?id=MqhFDwAAQBAJ ''The Jews of Khazaria''], Edition 3, Rowman & Littlefield, 2018, {{ISBN|1538103435}}, p. 15.</ref> Batbayan would subsequently have ruled the Bulgars as a subject of the [[Khazar khaganate | Khazar Khagan]].