Otto IV of Schaumburg

Otto IV of Schaumburg
Born	1517
Died	21 December 1576 Bückeburg
Nationality	German

Otto IV of Schaumburg (1517 – 21 December 1576) was a German nobleman. He was a ruling Count of Schauenburg and of Holstein-Pinneberg. He was a son of Jobst I and his wife Maria of Nassau, a daughter of Count Johann V of Nassau-Vianden-Dietz.

He adopted the teachings of Martin Luther. However, with respect to his elder brothers Cologne's Archbishop-Electors Adolphus III (reg. 1547–1556) and Anthony I (reg. 1557-1558) he refrained from open confrontation. In 1559 he officially began the Reformation in Schauenburg and Holstein-Pinneberg. These areas remained Lutheran throughout the Counter-Reformation and into modern times.

Otto first married Mary (*1527–1554*), daughter of Duke Barnim XI of Pomerania-Stettin. Mary and Otto had four sons:

In 1558 Otto married a second time, with Elisabeth Ursula (*1539–1586*), a daughter of Ernest I, Duke of Brunswick-Lüneburg. Elisabeth Ursula and Otto had two daughters and one son:

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