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Adriaen Pietersz. van de Venne . Artwork Creator Adriaen Pietersz van de Venne LangSwitch Princes Maurits and Frederik Hendrik of Orange at the Valkenburg horse fair rijksmuseum nl De prinsen van Oranje Maurits en Frederik Hendrik op de paardenmarkt te Valkenburg Rijksmuseum Amsterdam National Museum for Art and History rijksmuseum