The Borjigin or Borjigids are a Mongol tribal clan founded in the early 10th century or, around 900 AD. by Bodonchar Munkhag. The senior line of Borjigids provided ruling princes for Mongolia and Inner Mongolia until the 20th century. The clan formed the ruling class among the Mongols and other peoples of Central Asia and Eastern Europe. Today, the Borjigids are found in Mongolia, Inner Mongolia, Buryatia, and Xinjiang, and genetic research shows that descent from Genghis Khan and Timur is common throughout Central and East Asia.