"The House of Schönburg (also Schumburg; Czech: ze Šumburka) is an old European noble family of princely and historically sovereign rank. It formerly owned large properties ...
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in present-day Saxony, Thuringia and Bohemia. As a former ruling and mediatized family, it belongs to the Hochadel (high nobility). The family today includes two princely and a comital branch." - (en.wikipedia.org 08.12.2023)