Bayandur is one of Turkic tribes known from Arab

Arab

Arab people, also known as Arabs , are a panethnicity primarily living in the Arab world, which is located in Western Asia and North Africa. They are identified as such on one or more of genealogical, linguistic, or cultural grounds, with tribal affiliations, and intra-tribal relationships playing...

 and Persian Middle Age geographers and writers as being one of the seven tribes in the Kimak Kaganate

Kimek Khanate

The Kimek Khanate, also spelled Kimäk Khanate and Kimak Kaganate was a prominent medieval Turkic state formed by the Kimek and Kipchak people in the area between the Ob-Irtysh....

 in the period of 743-1050 AD. The other six constituent tribes per Abu Said Gardizi

Abu Said Gardizi

Abu Saʿīd Abdul-Hay ibn Dhaḥḥāk ibn Maḥmūd Gardēzī, Gardīzī or Gurdēzī was a Persian Muslim geographer and historian of the early 11th century from Gardēz who wrote the book Zayn al-Akhbār...

 (died 1061) were Kimaks, Yamaks

Kimek

The Kimek or Kimak were one of the Turkic tribes known from Arab and Persian medieval geographers as one of the seven tribes in the Kimek Khanate in the period of 743-1050 AD. The other six constituent tribes, according to Abu Said Gardizi The Kimek or Kimak (Yemek, Yamak, Djamuk) were one of the...

, Kipchaks

Kipchaks

Kipchaks were a Turkic tribal confederation...

, Tatars

Tatars

Tatars are a Turkic speaking ethnic group , numbering roughly 7 million.The majority of Tatars live in the Russian Federation, with a population of around 5.5 million, about 2 million of which in the republic of Tatarstan.Significant minority populations are found in Uzbekistan, Kazakhstan,...

, Lanikaz

Lanikaz

Lanikaz is one of supposedly Turkic tribes known from Arab and Persian Middle Age geographers and writers as being one of the seven tribes in the Kimak Kaganate in the period of 743-1050 AD...

, and Ajlad

Ajlad

Ajlad is one of supposedly Turkic tribes known from Arab and Persian Middle Age geographers and writers as being one of the seven tribes in the Kimak Kaganate in the period of 743-1050 AD. The other six constituent tribes per Abu Said Gardizi were Kimaks, Yamak, Kipchaks, Tatars, Bayandur, and...

. The Arabian sources list Bayandurs as a constituent clan of Oguzes, and other eastern sources list Bayandur as a Kipchak clan. As a N. Pontic

Pontic-Caspian steppe

The Pontic-Caspian steppe is the vast steppeland stretching from the north of the Black Sea as far as the east of the Caspian Sea, from western Ukraine across the Southern Federal District and the Volga Federal District of Russia to western Kazakhstan,...

 Kipchak clan, Bayandurs entered the early Rus annals that describe events of the 11th c..

Chinese chronicler Sima Qian

Sima Qian

Sima Qian was a Prefect of the Grand Scribes of the Han Dynasty. He is regarded as the father of Chinese historiography for his highly praised work, Records of the Grand Historian , a "Jizhuanti"-style general history of China, covering more than two thousand years from the Yellow Emperor to...

 in 'Shiji' Chapter 110 places the Bayan tribe in Ordos

Ordos

-Places:*Ordos Loop of the Yellow River, a region of China*Ordos Desert, in Inner Mongolia*Ordos City, city and district in Inner Mongolia*Ordos International Circuit, a race track in Ordos City.-People:...

 at the time of Mode (*Batur) Chanuy

Modu Shanyu

Modu Chanyu was born c. 234 BCE was the fourth known emperor and founder of the Xiongnu Empire after he killed his father in 209 BCE. The years of his rule were 209 BCE to 174 BCE...

 (ca. 200 BC). In the Chinese chronicles the personal name 'Bayan' is written as 'P'o-jun' (Uiguristan ruler Bayan (P'o-jun) in the 648-661, Kagan Bayanchur of Uigur dynasty in the 747-759). The personal name 'Bayan' is widely represented in the historical records, mostly associated with rulers of various states: Avar Khan/Kagan Boyan (565-602), Great Bulgaria Khan Kubrat's eldest son Bayan (Batbayan, 660-690),
Danube Bulgaria Khan Bayan (763-765), Alanian general Bayan in Mongol service in Chinese city Zhenchao in the 1275. The personal name 'Bayan' entered primaeval eastern Slavic folklore as a legendary poet-singer Bayan, and gave a name to a 'Bayan' brand name of Russian harmonica

Harmonica

The harmonica, also called harp, French harp, blues harp, and mouth organ, is a free reed wind instrument used primarily in blues and American folk music, jazz, country, and rock and roll. It is played by blowing air into it or drawing air out by placing lips over individual holes or multiple holes...

. The portion 'dur' is an ancient dialectal form of 'guz, gur', designating a tribe. The name Bayan is also a popular E.European and W.Asian toponym, like "Bayan-aul".