List of medieval Mongol tribes and clans

The Merkits was a Mongol tribe or potentially a Mongolised Turkic group[6][7] who opposed the rise of Temüjin, and kidnapped his new wife Börte.

[10] For instance, such Russian orientalists as Vasily Bartold, Grigory Potanin, Boris Vladimirtsov, Ilya Petrushevsky, Nicholas Poppe, Lev Gumilyov, Vadim Trepavlov classified them as one of Mongol,[10] Other scholars classified them as a Turkic people from Sekiz Oghuz (means "Eight Oghuz" in Turkic).

[11][12][13] However, the term "Naiman" has Mongolian origin meaning "eight", but their titles are Turkic, and they are thought by some to be possibly Mongolized Turks.

[14] The Ongud (also spelled Ongut or Öngüt; Mongolian: Онгуд, Онход; Chinese: 汪古, Wanggu; from Old Turkic öng "desolate, uninhabited; desert" plus güt "class marker"[15]) were a Turkic tribe that later became Mongolized active in what is now Inner Mongolia in northern China around the time of Genghis Khan (1162–1227).

Many Ongud were members of the Church of the East, They lived in an area lining the Great Wall in the northern part of the Ordos Plateau and territories to the northeast of it.