sentences:  The Leonese language ("Llingua Llïonesa" in Leonese) developed from Vulgar Latin.Leonese was the official language of the Leonese Kingdom in the Middle Ages.The first written text in Leonese was "Nodicia de Kesos" (959 or 974), and other old texts include "Fueru de Llión", "Fueru de Salamanca", "Fueru Xulgu", "Códice d'Alfonsu XI", "Disputa d'Elena y María", and "Llibru d'Alixandre"
  
  Its precarious situation as a minority language has driven Leonese to near extinction; it is considered a seriously endangered language by UNESCO.