|House of Schaumburg|
|Final ruler||Otto V|
|Estate(s)||County of Schaumburg|
The House of Schaumburg was a dynasty of German rulers. Until c. 1485, it was also known as the House of Schauenburg. Together with its ancestral possession, the County of Schaumburg, the family also ruled the County of Holstein and its partitions Holstein-Itzehoe, Holstein-Kiel, Holstein-Pinneberg (till 1640), Holstein-Plön, Holstein-Segeberg and Holstein-Rendsburg (till 1460) and through the latter at times also the Duchy of Schleswig.
The Schaumburgs were named after Schauenburg Castle, near Rinteln on the Weser, where the owners started calling themselves Lords (from 1295 Counts) of Schauenburg. Adolf I probably became the first Lord of Schauenburg in 1106.
After the death in 1640 of Count Otto V without children, the House of Schaumburg became extinct. The County of Holstein-Pinneberg was merged with the Duchy of Holstein. The County of Schaumburg proper was partitioned among the Schaumburg heirs into three parts, one incorporated into the ducal Brunswick and Lunenburgian Principality of Lüneburg, the second becoming the County of Schaumburg-Lippe and the third continuing the name County of Schaumburg, ruled in personal union by Hesse-Cassel.
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