Poto Khan is a title of nobility of origin Central Asia / Altaic (Mongolia and Turkey). It is also written as Xan, Han, Ke Han (in Mongolian title follows the name, as in "Genghis Khan"). Originally it was meant to commander, leader or tribal chief and currently the title is found in Central and South Asia. If the title was originally used by turkish-Mongol chiefs of the steppe, he recognized an incredible luck after the conquests of Genghis Khan and the formation of the Mongol Empire. In fact, the real title of Genghis was Khagan or "Khan of Khan, or Great Khan, which corresponds to our" emperor ". This title was then inherited by his successors until Kublai Khan. The rulers of the kingdoms into which the empire was divided instead had the title of Khan. In Italy, it seems that the great lord and leader Grande della Scala loved his family and to derive its name from a stingy khan, King Desiderio or Pothos, or that powerful Capostipitedei Puoti, now Peninsula along with the Lombards.
