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County of Schwarzburg

House of Schwarzburg
Schwarzburg-Wappen.png
Country Schwarzburg-Rudolstadt, Schwarzburg-Sondershausen
Titles Count, Prince
Founded 12th century
Founder Sizzo I, Count of Schwarzburg
Final ruler Prince Günther Victor
Deposition 1918

The House of Schwarzburg is one of the oldest noble families of Thuringia. Upon the death of Prince Friedrich Günther in 1971, a claim to the headship of the house passed under Semi-Salic primogeniture to his elder sister, Princess Marie Antoinette of Schwarzburg who married Friedrich Magnus V, Count of Solms-Wildenfels. Reigning over the County of Schwarzburg and founded by Sizzo I of Schwarzburg (died 1160), the family split in the 16th century into the lines of Schwarzburg-Sondershausen and Schwarzburg-Rudolstadt, with the Sondershausen dying out in 1909.

The County of Schwarzburg was a state of the Holy Roman Empire from 1195 to 1595, when it was partitioned into Schwarzburg-Rudolstadt and Schwarzburg-Sondershausen. It was ruled by counts from the House of Schwarzburg. Schwarzburg Castle was first mentioned in a 1071 deed. In 1123 Count Sizzo III of Käfernburg (Kevernburg), mentioned by the medieval chronicler Lambert of Hersfeld and according to the Annalista Saxo a grandson of Prince Yaropolk Izyaslavich of Turov by his mother, rebuilt the castle calling himself a "Count of Schwarzburg". Sizzo also established Georgenthal Abbey and in 1157, he accompanied Emperor Frederick I Barbarossa during his campaign against High Duke Bolesław IV the Curly of Poland.


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