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In page Liechtenstein:

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The family from which Liechtenstein takes its name originally came from Liechtenstein Castle in Lower Austria, which they had possessed since at least 1140 until the 13th century, and again from 1807 onwards. The Liechtensteins acquired land, predominantly in Moravia, Lower Austria, Silesia, and Styria. As these territories were all held in feudal tenure from more senior feudal lords, particularly various branches of the Habsburgs, the Liechtenstein dynasty was unable to meet a primary requirement to qualify for a seat in the Imperial Diet (parliament), the Reichstag. Even though several Liechtenstein princes served several Habsburg rulers as close advisers, without any territory held directly from the Imperial throne, they held little power in the Holy Roman Empire.[citation needed]