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Keywords from Image Description:
Wilhelm von Kettler. en Wilhelm Kettler Duke of Courland and Semigallia lv Vilhelms Ketlers Kurzemes un Zemgales hercogs archiv org lv php lang lv id Photo from the collections of Rundle Palace Museum author PDold Uploaded with Wilhelm Kettler Baltic Germans Dukes of Courland and Semigallia History of Latvia House of Kettler