The Mughal emperors were a branch of the Timurid dynasty. From the early 16th century to the early 18th they built and ruled the Mughal Empire on the Indian subcontinent, mainly corresponding to the modern countries of Bangladesh, India and Pakistan. Their power rapidly dwindled during the 18th century and the last of the emperors was deposed in 1857, with the establishment of the British Raj. The dynasty was of central Asian Turco-Mongol origin from an area now part of modern-day Uzbekistan, and the emperors claimed direct descent from both Timur and Genghis Khan, through his son Chagatai Khan.