https://hetutrechtsarchief.nl/collectie/609C5C7054914642E0534701000A17FD
https://hdl.handle.net/21.12102/6151FAF69EF64F4FA86E40F8DDE81826
he married on October 24, 1875 in Muiden (NH) to Hanna Catharina Dujardin from Ambt Vollenhove (OV), daughter of Francis Dujardin & Amelia Steenkist
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Jan Knoppert | ||||||||||