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In page Agnes of Baden, Countess of Holstein-Rendsburg:

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Agnes of Baden (25 March 1408 – January 1473), was a German noblewoman member of the House of Zähringen and by marriage Countess of Holstein-Rendsburg.[citation needed] She married Gerhard VII, Count of Holstein-Rendsburg, and gave birth to twins whose legality was disputed and who were likely murdered.[1]