[{WikipediaArticle oldid='231677816'}]

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| Dundaga castle| Eigenes Werk| Andris.kojro| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 4.0' align='center' link='https://www.austria-forum.org/cc/by-sa-40.html' target='_blank'}]| Datei:Dundagas pils.jpg
| Coat of Arms of Osten-Sacken family| http://gerbovnik.ru/arms/305.html modern picture: http://vector-images.com/clipart.php?id=24399| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Osten-sacken earl v3 p5.png
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