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BiographyJan Willemsz Knoppert was born 1636 to Willem Jansz Knoppert (c1605) and Elisabeth van de Gelder (bef1618) and died before 1712 of unspecified causes. He married Marijke Jansdr van Velpen (bef1646-aft1711) 10 March 1667 in Leersum, Utrecht, Netherlands. Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996). Ancestors are from the Netherlands, France, the United Kingdom, Germany, Belgium, Italy, the Byzantine Empire.
|Offspring of Jan Willemsz Knoppert and Marijke Jansdr van Velpen (bef1646-aft1711)|
|Teuntje Jansdr Knoppert (c1674-1736)||1674||11 April 1736 Woerden, Utrecht, Netherlands|| Claas Aartsz Geestdorp (c1656-1718)|