sentences:  House of Limburg-Stirum
  
  The house of Limburg Stirum (or Limburg-Styrum), which adopted its name in the 12th century from the immediate county of Limburg an der Lenne in what is now Germany, is one of the oldest families in Europe.It is the eldest and only surviving branch of the House of Berg, which was among the most powerful dynasties in the region of the lower Rhine during the Middle Ages.