House of Limburg-Stirum
Family
The House of Limburg-Stirum, 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. Wikipedia
Current head: Franz von Limburg Stirum
Estate(s): County of Berg, Altena, Isenberg, County of Limburg, Gemen, Styrum, Wisch, Bronkhorst and Borculo, Oberstein, etc