House of Schwarzenberg

House of Schwarzenberg
Coat of Arms
Parent house	Seinsheim
Country	Holy Roman Empire Old Swiss Confederacy Kingdom of Bohemia Duchy of Styria Archduchy of Austria German Confederation Austrian Empire Austria-Hungary
Place of origin	Duchy of Franconia
Founded	917 Seinsheim (parent house) 1421 Acquisition of Schwarzenberg
Founder	Erkinger VI of Seinsheim aka Erkinger I of Schwarzenberg
Current head	HSH Prince Johannes Nepomuk of Schwarzenberg
Final ruler	Joseph II, 6th Prince of Schwarzenberg
Titles	Prince and Lord of Schwarzenberg Duke of Krumlov Landgrave of Klettgau Count of Sulz Lord of Wittingau Lord of Frauenberg Lord of Postelberg Lord of Lobositz Lord of Kornhaus Lord of Neuschloss Lord of Drahonitz Lord of Protivin Lord of Netolitz Lord of Worlik Lord of Winterberg Lord of Chegnov Lord of Murau Lord of Reifenstein Lord of Frauenburg
Style(s)	Serene Highness
Motto	NIL NISI RECTUM (NOTHING BUT THE RIGHT)
Estate(s)	Princely County of Schwarzenberg Princely Landgraviate of Klettgau County of Gimborn
Deposition	1806: Dissolution of the Holy Roman Empire
Cadet branches	Princely Line Frisian Line Prussian Line

The House of Schwarzenberg is a German (Franconian) and Czech (Bohemian) aristocratic family, formerly one of the most prominent European noble houses. The Schwarzenbergs are members of the German and Czech nobility, and they once held the rank of Princes of the Holy Roman Empire. The family belongs to the high nobility and traces its roots to the Lords of Seinsheim during the Middle Ages.^[1] The secundogeniture branch of the Schwarzenbergs was among the foremost Czech patriotic houses.

The current head of the family is Prince Johannes [cs] (born 1967), son and heir of the late Karel, 12th Prince of Schwarzenberg (1937–2023), a Czech politician who served as Minister of Foreign Affairs of the Czech Republic. The family owns properties and lands across Austria, the Czech Republic, Germany, and Switzerland.