The Counts of Eberstein were a family of nobility in Baden, Germany. Baden is a historical state in the southwest of Germany, on the right bank of the Rhine. From 1085 up into the 13th century they lived in the castle known today as Alt Eberstein which lies on a mountain top between the valleys of the rivers Murg and Oos (in Ebersteinburg, now an outlying district of Baden-Baden). The ruins of Alt-Eberstein, previously known as Eberstein castle lie directly next to Ebersteinburg, an outlying community of Baden-Baden. For the town in Baden-Württemberg see Murg Germany. The Murg is a right tributary of the Rhine, located in Baden-Württemberg, Baden-Baden is a town in Baden-Württemberg, Germany. It is located on the western foothills of the Black Forest, on the banks of the Oos River They then moved to Neu Eberstein, today known as Schloss Eberstein, near Gernsbach. Gernsbach is a town in the district of Rastatt, in Baden-Württemberg, Germany.
After the financial ruin of Wolf von Eberstein in 1387, half of the family possessions had to be sold to the Margraves of Baden. Baden was a state of the Holy Roman Empire and later one of the German states along the frontier with France primarily consisting of territory along the When the last male member of the family died in 1660, the remaining possessions were taken over by the Bishopric of Speyer and by Württemberg. The Bishopric of Speyer until the Secularization of 1803 was the wordly realm of the prince-bishops of Speyer in what is today the German state of Württemberg, formerly known as Wirtemberg, is an area and a former state in Swabia, a region in southwestern Germany.
 The ruins of Alt Eberstein castle |
 Schloss Eberstein near Gernsbach |