"Wilhelm Egon von Fürstenberg-Heiligenberg (2 December 1629 – 10 April 1704) was a German count and later prince of Fürstenberg-Heiligenberg in the Holy Roman Empire. He was ...
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a clergyman who became bishop of Strasbourg, and was heavily involved in European politics after the Thirty Years' War. He worked for the Archbishop-Elector of Cologne and Louis XIV of France at the same time, and was arrested and tried for treason for convincing the Elector to fight on the opposite side of a war from the Empire." - (en.wikipedia.org 23.12.2020)
