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Catherine Opsy Frau Cornelis Witsen 1605-1669 Bürgermeister, Amsterdam Bartholomeus van der Heist durch Ludolf Bakhuizen - 1630 - 1708, Deutsche, Niederländische Stockfotografie - Alamy
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Bildnis eines stehenden Herrn in ganzer Figur (Andries de Graeff) - Onlinedatenbank der Gemäldegalerie Alte Meister Kassel
![File:Bartholomeus van der Helst - Portrait of Cornelis Jansz Witsen (cropped).jpg - Wikimedia Commons File:Bartholomeus van der Helst - Portrait of Cornelis Jansz Witsen (cropped).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/e/e5/Bartholomeus_van_der_Helst_-_Portrait_of_Cornelis_Jansz_Witsen_%28cropped%29.jpg)
File:Bartholomeus van der Helst - Portrait of Cornelis Jansz Witsen (cropped).jpg - Wikimedia Commons
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Captain Cornelis Jansz Witsen (with the silver drinking horn) and Lieutenant Johan Oetgens van Waveren shaking hands at the conclusion of the peace of Munster, 18 June 1648, Captain Cornelis Jansz Witsen
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