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Familienbild des Freiherrn Johann Adolf Wolff Metternich. Die Familie des Freiherrn Johann Adolf Wolff Metternich Jahrhundert Archiv Gracht Akten Nr verffentlicht in Karl Stommel Johann Adolf Freiherr Wolff genannt Metternich zu Gracht Kln ISBN Vermutlich Christian Neumann History of Cologne Erftstadt Historical images of