Salm-Horstmar

Salm-Horstmar was a short-lived Napoleonic County in far northern North Rhine-Westphalia, Germany, located around Horstmar, to the northeast of Münster. It was created in 1803 for Wild- and Rhinegrave Frederick Charles Augustus of Salm-Grumbach following the loss of Grumbach and other territories west of the Rhine to France. It was mediatised to the Kingdom of Prussia in 1813 and the Wild- and Rhinegrave was awarded a princely title within Prussia three years later.

Count of Salm-Horstmar (1803–1813)

 * Frederick Charles Augustus (1803–1813)

Princes of Salm-Horstmar (1816)

 * Wilhelm Friedrich (1799-1865)
 * Otto (1833-1892)
 * Otto (1867-1941)
 * Philipp Franz (1909-1996)
 * Philipp Otto (1938-)