BAYAT
Bayat
The surname Bayat or Baiyat is derived from clans in Turkey, Iran and Azerbaijan. Bayat is the name of an originally Turkic clan in Turkey and Iran which traces its origin to the 12th century. The first location of the Bayat clan was the city of Nishapur in the south of Khorasan, a state in the north-east of Iran. The Bayat clan moved in 16th century to three different locations after attacks by Mongol forces.The above text is a snippet from Wikipedia: Bayat (name)
and as such is available under the Creative Commons Attribution/Share-Alike License.