page_title: Willem Jan Derx
hierarchical_section_title: Willem Jan Derx
caption_attribution_description: English: Willen Jan Derx
context_page_description: Willem Jan Derx was a vice admiral of the Royal Netherlands Navy.
context_section_description: Willem Jan Derx (26 March 1844 – 29 April 1913) was a vice admiral of the Royal Netherlands Navy.
caption: Vice admiral Willem Jan Derx
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