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Keywords from Image Description:
Vilhelms Ketlers. 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 unknown probably Joachim Zivert PDold Uploaded with Wilhelm Kettler Baltic Germans Dukes of Courland and Semigallia