Mediatized Houses

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The Mediatized Houses (German: Standesherren) were ruling princely and comital-ranked houses which were mediatized in the Holy Roman Empire during the period of 1803–1815 as part of German mediatization, and were later recognised in 1825–1829 by the German ruling houses as possessing considerable rights and rank. With few exceptions, these houses were those whose heads held a seat in the Imperial Diet when mediatized during the establishment of the Confederation of the Rhine in 1806–07, by France in 1810, or by the Congress of Vienna in 1814–15. The Mediatized Houses were organised into two ranks: the princely houses, entitled to the predicate Durchlaucht (Serene Highness), which previously possessed a vote on the Bench of Princes (Furstenbank); and the comital houses which were accorded the address of Erlaucht (Illustrious Highness), which previously possessed a vote in one of the four Benches of Counts (Gräfenbank). Whilst some form of mediatization occurred in other countries, such as France, Italy and Russia, only designated houses within the former Holy Roman Empire legally comprised the Mediatized Houses.

Privileges[]

Mediatized Houses generally possessed greater rights than other German noble families. Whilst they lost sovereignty and certain rights (such as legislation, taxation, appellate jurisdiction, and control over policing and conscription) in their territories, they often still retained their private estates and some feudal rights, which may have included exclusive or primary access to local forestry, fishing, mining or hunting resources, jurisdiction over policing and lower level civil and criminal court cases. Mediatized Houses also possessed the right to settle anywhere within the German Confederation while retaining their territorial prerogatives. The Congress of Vienna specified that the Mediatized Houses were recognised as the first vassals in their respective states, were usually entitled to membership in the legislative upper chambers in which their lands lay (such as the Austrian or Prussian House of Lords), and held rank equivalent to ruling houses. However the Congress of Vienna did not specify which families were considered mediatized.

Members of Mediatized Houses possessed a rank higher than other German ducal, princely and comital families which held the same or even a higher hereditary title.^{[citation needed]} For example, a prince (Fürst) of a mediatized house ranked higher than a duke (Herzog) of a family that had never possessed Imperial immediacy, even though in Germany, nominally, a duke is of higher rank than a prince.

Equality of birth[]

Most importantly, members of the Mediatized Houses were recognized as entitled to retain the equality of birth their families had enjoyed under the Holy Roman Empire with Germany's reigning dynasties, who inter-married by right with the other ruling houses of Europe. Although this privilege did not automatically require that every ruling family had to accept all members of mediatized families as eligible for dynastic inter-marriage (see Countess Auguste von Harrach), each mediatized family was allowed to impose its own marital standards by house law, and could be accepted by ruling families without legal demur. This had practical effects in determining whether a marriage was considered morganatic or not, and what rights the children of such a marriage might possess.

It was ultimately left up to each of the sovereign states to determine which families were counted as part of the Mediatized Houses and which were not, leading to discrepancies between the roster of the Imperial Diet in 1806 and the families counted amongst the mediatized. Prior to 1806, the term "exemption" was used to refer to states which surrendered their immediacy and high jurisdiction rights to another state but retained their votes in the Imperial Diet. Not all exempt houses were counted amongst the Mediatized Houses. Further discrepancies exist because the houses were mediatized between 1806–1814 and the rosters of the princely and comital Mediatized Houses were not drawn up until 1825 and 1829 respectively, during which period some families had become extinct or sold those of their territories to which the rights of mediatization appertained.

From 1836 the Almanach de Gotha listed the Mediatized Houses in a section of their own, separate from both ruling dynasties and from princely and ducal families which were not recognized as having exercised sovereignty since the Congress of Vienna.

The rights of the Mediatized Houses in Austria and Czechoslovakia were abolished in 1919 following the defeat of Austria-Hungary in World War I and the establishment of republics in those countries. Rights were also abolished in Germany in 1919, however the abolition was not initially enforced.

The following lists are exhaustive, including all of the Mediatized Houses.

List of Princely Mediatized Houses (Durchlaucht)[]

Name	Title	Listed by	Head of house (as of July 2018)	Notes
Arenberg	Duke	Austria, Prussia, Hanover	Léopold, 13th Duke (b.1956)	The territories of Arenberg were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the counties of Vest Recklinghausen and Meppen in 1803. Joined the Confederation of the Rhine in 1806. Annexed by France and the Grand Duchy of Berg in 1810. Not restored by the Congress of Vienna
Auersperg	Prince	Austria	Adolf, 11th Prince (b.1937)	The county of Thengen mediatized by Baden in 1806, and rights to this territory sold to it in 1811. Held mediate to Austria the duchy of Gottschee and the princely county of Wels, and several minor territories
Bentheim and Steinfurt	Prince Count before 1817	Austria, Hanover, Prussia	Christian, 4th Prince (b.1923)	County of Steinfurt mediatized by Berg in 1806. Annexed by France in 1810. Awarded to Hanover 1815 (Bentheim-Bentheim and Bentheim-Steinfurt, which were under personal union were united into the singular house)
Bentheim-Tecklenburg	Prince Count before 1817	Austria, Hanover, Prussia	Maximilian, 7th Prince (b.1969)	County of Limburg and lordship of Rheda mediatized by Berg in 1806. Awarded to Prussia 1815
Castell-Castell	Prince Count before 1901	Bavaria	Ferdinand, 4th Prince (b.1965)	Mediatized by Bavaria in 1806
Castell-Rüdenhausen	Prince Count before 1901	Bavaria	Otto, 6th Prince (b.1985)	Mediatized by Bavaria in 1806
Colloredo-Mansfeld	Prince	Austria, Württemberg	Hieronymus, 8th Prince (b.1949)	Purchased a part of the County of Rieneck in 1803 because its Imperial immediacy granted him a seat in the Imperial Diet. Purchased lordship of Limpurg-Gröningen in 1804. Mediatized by Württemberg in 1806, and rights to this territory sold to it in 1837. Held mediate to Austria several minor territories
Croÿ	Duke	Austria, Prussia	Rudolf, 15th Duke (b.1955)	The territories of Croÿ were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Dülmen in 1803. Mediatized to Arenberg in 1806. Annexed by France 1810. Awarded to Prussia 1815
Dietrichstein	Prince	Austria, Württemberg	Extinct	Lordship of Tarasp, exempt under Austria, ceded to Graubünden in 1801. Received the lordship of Neu-Ravensburg in 1803. Mediatized by Württemberg in 1806. Extinct 1864
Erbach-Schönberg	Prince Count before 1903	Hesse-Darmstadt	Dietrich, 5th Prince (b.1954)	Mediatized by Hesse-Darmstadt in 1806
Esterházy de Galántha	Prince	Austria, Bavaria	Anton, 13th Prince (b.1936)	Obtained princely county of Edelstetten in 1804. Mediatized to Bavaria in 1806. Held mediate to Austria several minor territories. Held mediate in Baden the lordship of Gallingen but not predicated as mediatized
Fugger-Babenhausen	Prince	Austria, Bavaria	Hubertus, 8th Prince (b.1946)	Exempted under Bavaria 1806, weeks before the formation of the Confederation of the Rhine
Fugger-Glött	Prince Count before 1913	Bavaria	Extinct	Exempted under Bavaria 1806, weeks before the formation of the Confederation of the Rhine. Extinct 1981.
Fürstenberg	Prince	Austria, Baden, Hohenzollern-Sigmaringen, Württemberg	Heinrich, 12th Prince (b.1950)	Mostly mediatized by Baden in 1806. Lordship of Trochtelfingen mediatized by Hohenzollern-Sigmaringen in 1806. Lordships of Gundelfingen and Neufra mediatized by Württemberg in 1806
Hohenlohe-Neuenstein-Oehringen	Prince	Austria, Württemberg	Kraft, 9th Prince (Also 5th Duke of Ujest, b.1933)	Mediatized by Württemberg in 1806
Hohenlohe-Jagstberg	Prince	Austria, Württemberg	Alexander, 2nd Prince (b.1937)	Mediatized by Württemberg in 1806
Hohenlohe-Waldenburg-Schillingsfürst	Prince	Austria, Württemberg	Felix, 10th Prince (b.1963)	Mediatized by Württemberg in 1806
Hohenlohe-Neuenstein-Langenburg	Prince	Austria, Württemberg	Philipp, 10th Prince (b.1970)	Mediatized by Württemberg in 1806
Hohenlohe-Waldenburg-Bartenstein	Prince	Austria, Württemberg	Ferdinand, 10th Prince (b.1942)	Mediatized by Württemberg in 1806
Hohenlohe-Schillingsfürst	Prince	Austria, Bavaria, Württemberg	Constantin, 12th Prince (b.1949)	Mediatized by Bavaria in 1806
Hohenlohe-Schillingsfürst (Ratibor and Corvey branch)	Prince	Austria, Bavaria, Württemberg	Viktor, 5th Duke of Ratibor and 5th Prince of Corvey (b.1964)	Mediatized by Bavaria in 1806
Kaunitz-Rietberg	Prince	Austria, Prussia	Extinct	Mediatized by Westphalia in 1807. Extinct 1848
Khevenhüller-Metsch	Prince	Austria	Johannes, 10th Prince (b.1956)	Held mediate to Austria several minor territories
Leiningen	Prince	Austria, Baden, Bavaria, Hesse-Darmstadt	Andreas, 8th Prince (b.1956)	Mediatized by Baden in 1806
Leyen	Prince	Austria, Baden	Philipp Erwein, 7th Prince (b.1967)	Became a principality in 1806. Mediatized by Austria in 1815. Ceded to Baden in 1819
Lobkowicz	Prince	Austria	Jaroslav, 14th Prince (b.1942)	Princely county of Störnstein mediatized by Bavaria in 1807, and rights to this territory sold to it in 1814. Held mediate to Austria the duchy of Raudnitz and several minor territories
Löwenstein-Wertheim-Freudenberg	Prince	Baden, Bavaria, Württemberg	Ludwig, 8th Prince (b.1951)	County of Virneburg annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Mediatized by Baden, Prince-Primate and Württemberg in 1806
Löwenstein-Wertheim-Rosenberg	Prince	Austria, Baden, Bavaria, Hesse-Darmstadt, Württemberg	Alois-Constantin, 9th Prince (b.1941)	Mediatized by Baden, Hesse-Darmstadt, Prince-Primate and Württemberg in 1806
Looz-Corswarem	Duke	Austria, Hanover, Prussia	Thierry, 11th Duke (b.1948)	The territories of Looz-Corswarem were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the Principality of Rheina-Wolbeck in 1803. Mediatized by the Grand Duchy of Berg in 1806
Metternich-Winneburg	Prince	Austria	Extinct	Lordship of Winneburg and Beilstein annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the county of Ochsenhausen in 1803. Mediatized by Württemberg in 1806, and rights to this territory sold to it in 1825. Held mediate to Austria the county of Köningswart and several minor territories. Extinct in 1992
Orsini and Rosenberg	Prince	Austria	Johannes, 7th Prince (b.1949)	Held mediate to Austria several minor territories
Öttingen-Spielberg	Prince	Austria, Bavaria, Württemberg	Albrecht Ernst, 10th Prince (b.1951)	Mediatized by Bavaria in 1806
Öttingen-Wallerstein	Prince	Austria, Bavaria, Württemberg	Moritz, 8th Prince (b.1946)	Mediatized by Bavaria in 1806
Quadt-Isny	Prince Count before 1901	Württemberg	Alexander, 5th Prince (b.1958)	Lordship of Wykradt annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the county of Isny in 1803. Mediatized by Württemberg in 1806
Salm-Kyrburg	Prince	Austria, Prussia	Extinct	The territories of Salm-Kyrburg were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received part of the Bishopric of Münster in 1803. Mediatized the lordship of Gemen (held by Boyneburg-Bömelberg) in 1806. Annexed by France in 1810. Not restored by the Congress of Vienna. Extinct 1905
Salm-Horstmar	Prince Count before 1817	Austria, Prussia	Philipp Otto, 5th Prince (b.1938)	Formerly the county of Salm-Grumbach. Mediatized by Berg in 1806
Salm-Reifferscheid-Dyck	Prince Count before 1816	Austria, Baden, Prussia	Extinct	Lordships of Dyck and Reifferscheid were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received lordship of Baindt in 1803. Mediatized to Württemberg in 1806. Extinct 1888
Salm-Reifferscheid-Krautheim	Prince Count before 1804	Austria, Baden	Extinct	Lordships of Dyck and Reifferscheid were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. In 1806 territory south of the Jagst mediatized by Württemberg and territory north by Baden, and territory north by Baden, and rights to this territory sold to them in 1829/37. Extinct 1958
Salm-Reifferscheid-Raitz	Prince	Austria	Hugo, 7th Prince (b,1973)	Held mediate to Austria several minor territories
Salm-Salm	Prince	Austria, Prussia	Carl-Philipp, 9th Prince (b.1933)	The territories of Salm-Salm were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received part of the Bishopric of Münster in 1803. Annexed by France in 1810. Not restored by the Congress of Vienna
Sayn-Wittgenstein-Berleburg	Prince	Austria, Prussia	Gustav, 7th Prince (b.1969)	Mediatized by Hesse-Darmstadt in 1806. Ceded to Prussia in 1815
Sayn-Wittgenstein-Hohenstein	Prince	Austria, Prussia, Württemberg	Bernhart, 6th Prince (b.1963)	County of Hohnstein exempt to Prussia from 1714, annexed by Westphalia in 1806, returned to Prussia in 1813. Mediatized by Hesse-Darmstadt in 1806. Ceded to Prussia in 1815
Schönburg-Hartenstein	Prince	Austria, Saxony	Alexander, 8th Prince (b.1930)	Exempt to Saxony from 1740
Schönburg-Waldenburg	Prince	Austria, Saxony	Ulrich, 6th Prince (b.1940)	Exempt to Saxony from 1740
Schwarzenberg	Prince	Austria, Bavaria, Württemberg	Karel, 12th Prince (b.1937)	Principality of Schwarzenberg and barony of Seinsheim mediatized by Bavaria in 1806. Landgraviate of Klettgau mediatized by Baden in 1806. The county of Sulz mediatized by Württemberg in 1806. Held mediate to Austria the duchy of Krumau and several minor territories
Solms-Braunfels	Prince	Austria, Hesse-Darmstadt, Prussia, Württemberg	Extinct	Mediatized by Nassau-Usingen and Nassau-Weilburg in 1806. Ceded to Prussia in 1813. Extinct 1970
Solms-Hohensolms-Lich	Prince	Austria, Hesse-Darmstadt, Prussia, Württemberg	Carl-Christian, 9th Prince (b.1975)	Mediatized by Nassau-Usingen and Nassau-Weilburg in 1806. Ceded to Prussia in 1813
Starhemberg	Prince	Austria	Georg Adam, 6th Prince (b.1961)	Held mediate to Austria several minor territories
Stolberg-Rossla	Prince Count before 1893	Hesse-Darmstadt, Prussia	Alexander of Stolberg-Wernigerode (b.1967)	Exempt to Prussia in 1714
Stolberg-Stolberg	Prince Count before 1893	Hanover, Prussia	Jost-Christian, 4th Prince (b.1940)	Exempt to Saxony in 1738. Ceded to Prussia in 1815
Stolberg-Wernigerode	Prince Count before 1890	Hesse-Darmstadt, Hanover, Prussia	Philipp, 5th Prince (b.1967)	Exempt to Saxony in 1738. Ceded to Prussia in 1815
Thurn and Taxis	Prince	Austria, Bavaria, Hohenzollern-Sigmaringen, Württemberg	Albert, 12th Prince (b.1983)	Mediatized to Bavaria, Hohenzollern-Sigmaringen and Württemberg in 1806
Trauttmansdorff-Weinsberg	Prince	Austria	Carl-Wolfgang, 7th Prince (b.1965)	County of Umpfenbach mediatized by Baden in 1806, and rights to this territory sold to it in 1812. Held mediate to Austria several minor territories
Waldburg-Wolfegg-Waldsee	Prince	Austria, Württemberg	Johannes, 6th Prince (b.1957)	Mediatized by Württemberg in 1806
Waldburg-Zeil-Trauchburg	Prince	Austria, Bavaria, Württemberg	Erich, 8th Prince (b.1962)	Mediatized by Württemberg in 1806; Lordship of Alt-Trauchburg by Bavaria in 1806
Waldburg-Zeil-Wurzach	Prince	Austria, Bavaria, Württemberg	Extinct	Mediatized by Württemberg in 1806; Lordship of Marstetten east of the Iller (Ferthofen) by Bavaria in 1806. Extinct 1903
Wied-Neuwied	Prince	Austria, Nassau, Prussia	Maximilian, 9th Prince (b.1999)	Lordship of Runkel east of the Lahn mediatized by Berg in 1806; rest mediatized by Nassau in 1806
Windisch-Grätz	Prince	Austria, Württemberg	Anton, 5th Prince (b.1942)(Elder line, last male heir) Mariano Hugo, 6th Prince (b.1955)(Younger line)	County of Eglofs mediatized by Württemberg in 1806. Held mediate to Austria several minor territories
Ysenburg and Büdingen	Prince	Austria, Hesse-Cassel, Hesse-Darmstadt	Alexander, 7th Prince (b.1969)	Formerly the principality of Isenburg-Birstein. Mediatized by Hesse-Cassel and Hesse-Darmstadt in 1815
Ysenburg and Büdingen in Büdingen	Prince Count before 1840	Hesse-Cassel, Hesse-Darmstadt	Extinct	Formerly the county of Isenburg-Büdingen. Mediatized by Isenburg-Birstein in 1806. Extinct 1941
Ysenburg and Büdingen in Wächtersbach	Prince Count before 1865	Hesse-Cassel, Hesse-Darmstadt	Wolfgang-Ernst, 8th Prince (b.1936)	Formerly the county of Isenburg-Wächtersbach. Mediatized by Isenburg-Birstein in 1806

List of Comital Mediatized Houses (Erlaucht)[]

Name	Title	Listed by	Head of house (as of July 2018)	Notes
Bentinck	Count	Oldenburg	Timothy, 8th Count (Also 12th Earl of Portland, b.1953)	Mediatized by Oldenburg in 1807. Obtained 'Erlaucht' recognition in 1845
Erbach-Erbach	Count	Bavaria, Hesse-Darmstadt, Württemberg	Franz, 8th Count (b.1958)	Mediatized by Hesse-Darmstadt in 1806
Erbach-Fürstenau	Count	Hesse-Darmstadt	Louis, 7th Count (b.1976)	Mediatized by Hesse-Darmstadt in 1806
Fugger-Kirchberg-Weissenhorn	Count	Bavaria	Extinct	Exempted under Bavaria 1806, weeks before the formation of the Confederation of the Rhine
Fugger-Kirchheim	Count	Bavaria	Extinct	Exempted under Bavaria 1806, weeks before the formation of the Confederation of the Rhine
Fugger-Nordendorf	Count	Bavaria	Extinct	Exempted under Bavaria 1806, weeks before the formation of the Confederation of the Rhine
Giech	Count	Bavaria	Extinct	Inherited half of Wolfstein in 1740. Exempt to Prussia in 1791. Annexed by Bavaria in 1806. Extinct 1938
Harrach zu Rohrau und Thannhausen	Count	Austria	Ernst Leonhard, 11th Count (b.1920)	Held mediate to Austria several minor territories. Extinct 1886
Königsegg-Aulendorf	Count	Württemberg	Johannes, 12th Count (b.1925)	Mediatized by Württemberg in 1806
Kuefstein-Greillenstein	Count	Austria	Johann, Count of Kuefstein (b.1951)	Held mediate to Austria several minor territories
Leiningen-Billigheim	Count	Baden	Extinct	Formerly the county of Leiningen-Guntersblum. Annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Billigheim in 1803. Mediatized by Baden in 1806
Leiningen-Neudenau	Count	Baden	Extinct	Formerly the county of Leiningen-Heidesheim. Annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Neudenau in 1803. Mediatized by Baden in 1806
Leiningen-Westerburg-Altleiningen	Count	Hesse-Darmstadt	Extinct	Received the lordship of Ilbenstadt in 1803. Mediatized by Hesse-Darmstadt in 1806
Leiningen-Westerburg-Neuleiningen	Count	Nassau	Extinct	Received the lordship of Engelthal in 1803. Mediatized by Berg in 1807. Ceded to Nassau in 1815
Neipperg	Count	Württemberg	Josef Hubert, 6th Count (b.1918)	Mediatized by Württemberg in 1806
Ortenburg-Tambach	Count	Bavaria	Heinrich, 36th Count (b.1956)	Mediatized by Bavaria in 1806
Pappenheim	Count	Bavaria	Albert, Count of Pappenheim (b.1943)	Mediatized by Bavaria in 1806. Was not a member of the Imperial Diet; recognised by Bavaria as a mediatized house in 1831
Platen-Hallermund	Count	Hanover	Erik, 5th Count (b.1939)	Mediatized by Westphalia in 1807. Ceded to Hanover in 1813
Pückler and Limpurg	Count	Württemberg	Extinct	Mediatized by Württemberg in 1806. Extinct 1963
Rechberg and Rothenlöwen	Count	Württemberg	Bernhard, 7th Count (b.1956)	Mediatized by Württemberg in 1806. Was not a member of the Imperial Diet; recognised by Württemberg as a mediatized house
Rechteren-Limpurg	Count	Bavaria	Adolph, 9th Count (b.1931)	Mediatized by Bavaria in 1806
Schaesberg-Tannheim	Count	Württemberg	Johannes, 7th Count (b.1960)	County of Kerpen and Lommersum annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Tannheim in 1803. Mediatized by Württemberg in 1806
Schlitz genannt von Görtz	Count	Hesse-Darmstadt	Rudiger, 7th Count (b.1939, last male heir)	Mediatized by Hesse-Darmstadt in 1806
Schönborn-Buchheim	Count	Austria, Bavaria	Friedrich Karl, 7th Count (b.1938)	Mediatized by Bavaria in 1806. Held mediate to Austria several minor territories
Schönborn-Wiesentheid	Count	Bavaria	Paul, 8th Count (b.1964)	Mediatized by Bavaria in 1806
Schönburg-Forderglauchau	Count	Saxony	Alexander, 6th Count (b.1969)	Exempt to Saxony from 1740
Schönburg-Hinterglauchau	Count	Saxony	Extinct	Exempt to Saxony from 1740
Schönburg-Rochsburg	Count	Saxony	Extinct	Exempt to Saxony from 1740
Schönburg-Wechselburg	Count	Saxony	Extinct	Exempt to Saxony from 1740
Solms-Laubach	Count	Hesse-Darmstadt	Karl, 11th Count (b.1963)	Mediatized by Hesse-Darmstadt in 1806
Solms-Rödelheim	Count	Hesse-Cassel, Hesse-Darmstadt	Philipp, Count of Solms-Rödelheim (b.1964)	Mediatized by Hesse-Darmstadt in 1806
Solms-Wildenfels	Count	Hesse-Darmstadt	Friedrich Magnus, Count of Solms-Wildenfels (b.1945)	Mediatized by Hesse-Darmstadt in 1806
Stadion-Thannhausen	Count	Bavaria	Extinct	Mediatized by Bavaria in 1806. Extinct 1908
Stadion-Warthausen	Count	Austria, Württemberg	Extinct	Mediatized by Bavaria in 1806. Was not a member of the Imperial Diet; recognised by Austria and Württemberg as a mediatized house. Extinct 1906
Starhemberg	Count	Austria	Extinct	Held mediate to Austria several minor territories
Sternberg-Manderscheid	Count	Austria, Württemberg	Extinct	Counties of Blankenheim, Gerolstein, Kayl and Manderscheid annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the counties of Schussenried and Weissenau in 1803. Mediatized by Württemberg in 1806. Extinct 1830
Törring-Gutenzell	Count	Württemberg	Hans Veit, 4th Count (b.1935)	County of Gronsfeld annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the county of Gutenzell in 1803. Mediatized by Württemberg in 1806. Extinct 1860; collateral branch given mediatized rights in 1888
Waldbott von Bassenheim	Count	Bavaria, Nassau, Württemberg	Carl Ludwig, 8th Count (b.1938, last male heir)	County of Pyrmont annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the county of Heggbach in 1803. Mediatized by Bavaria in 1806. Inherited Buxheim in 1809
Waldeck-Pyrmont	Count	Württemberg	Extinct	Waldeck-Limpurg mediatized by Württemberg in 1806
Wallmoden-Gimborn	Count	Mecklenburg	Extinct	Lordship of Gimborn-Neustadt mediatized by Berg in 1807
Wurmbrand-Stuppach	Count	Austria	Ernst Gundaccar, 5th Count (b.1946)	Held mediate to Austria several minor territories
Ysenburg and Büdingen in Meerholz	Count	Hesse-Cassel, Hesse-Darmstadt, Württemberg	Extinct	Formerly the county of Isenburg-Meerholz. Mostly mediatized by Isenburg-Birstein in 1806. 1/4 portion of the Solms-Assenheim part of Limpurg-Gaildorf meditised to Württemberg in 1806. Extinct 1939
Ysenburg and Büdingen in Philippseich	Count	Hesse-Darmstadt	Extinct	Appanage branch of the princely line of Isenburg-Birstein. Recognised by Hesse-Darmstadt as a mediatized house despite not possessing immediacy or a vote in the Imperial Diet

List of Houses not considered as part of the Mediatized Houses[]

Listed below are houses that for one reason or another were not counted amongst the Mediatized Houses. Usually this is because they became extinct before the formalisation of the Mediatized Houses in 1825/9, they divested their immediate territories just prior to the German Mediatization in 1806, or they surrendered their mediate rights before 1825/9.

Name	Title	Notes
Abensperg und Traun	Count	Eglofs sold to Windisch-Grätz in 1804
Anhalt-Bernburg-Schaumburg-Hoym	Prince	Mediatized by Nassau in 1806. Extinct 1812
Aspremont-Lynden	Count	Rekem (Reckheim) annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the county of Baindt in 1803. Mediatized by Württemberg in 1806. Sold in 1812
Boyneburg-Bömelberg	Baron	Inherited the immediate lordship of Gemen in 1800, after extinction of the Limburg-Styrum-Gemen branch. Unclear however if the Imperial Diet vote associated to Gemen was also inherited (some state that it was transferred to the only surviving Limburg-Styrum branch, that of Styrum[1]). Mediatized by Berg in 1806. Extinct 1826/31
Heydeck-Bretzenheim	Prince	The lands of Bretzenheim were annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the principality of Lindau in 1803. Ceded to Austria in 1804. Extinct 1863
Grävenitz	Count	Imperial Lordship of Welzheim was forcefully sold in 1735 by Grävenitz family for 65.000 Gulden to Württemberg. Descendants of the last ruler, Count Friedrich Wilhelm von Grävenitz, who later unsuccessfully tried to reclaim rights to it, went extinct.
Ligne	Prince	Compensation for loss of the Imperial County of Ligne (Fagnolles, since that barony had become seat of the county in 1789) as a result of the Peace of Lunéville consisted of substitution of the secularized Imperial abbey of Edelstetten, with an individual vote guaranteed in the Imperial College of Princes in 1803. That principality was, however, sold to Prince Nikolaus Esterházy on 22 May 1804, before the abolition of the Holy Roman Empire, of which Edelstetten had been a constituent Imperial state, in 1806.
Limburg-Styrum	Count	Imperial Diet vote lost in 1800 (Gemen), but still possessed the immediate lordship of Styrum, which was mediatized in 1806 and which is formally cited in the Treaty of the Confederation of the Rhine. Nevertheless, Limburg-Styrum was not listed by any member of the German Confederation as a Mediatized House in 1825, given they had sold their German properties and left to their lands in the newly created kingdoms of the Netherlands and Belgium. The family is however generally counted as part of the mediatized houses.
Nesselrode	Count	Mediatized by Nassau in 1806. Extinct 1824
Nostitz-Rieneck	Count	Rieneck sold to Colloredo-Mansfeld in 1803
Ostein	Count	Myllendonk annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Buxheim in 1803. Mediatized by Bavaria in 1806. Extinct 1809
Plettenberg-Mietingen	Count	Wittem annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the lordship of Mietingen and Sulmingen in 1803. Mediatized by Württemberg in 1806. Extinct 1813
Sickingen-Sickingen	Count	Mediatized by Württemberg in 1806. Extinct 1834
Sinzendorf	Prince	Rheineck annexed by France and ceded by the Empire in the Treaty of Campo Formio in 1797. Received the burgraviate of Winterrieden in 1803. Mediatized by Bavaria in 1806. Extinct 1822
Wartenberg-Roth	Count	Received the county of Roth in 1803. Mediatized by Württemberg in 1806. Extinct 1818
Wied-Runkel	Prince	Lordship of Runkel east of the Lahn mediatized by Berg in 1806; rest mediatized by Nassau in 1806. Extinct 1824

References and notes[]