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Benigna Gottlieb von Trotha genannt Treyden. en Benigna Gottlieb von Trotha genannt Treyden dowager duchess of Courland and Semigallia bildindex de html home author PDart Uploaded with Benigna Gottlieb von Trotha Sash of the Order of St Catherine in portrait paintings House von Biron Dukes of Courland and Semigallia births