BiographyJohanna Klijn was born circa 22 April 1770 in Amsterdam, Netherlands to Georg Phillipus Klijn (bef1754-bef1796) and Anna Maria Nieman (bef1754-bef1773) . She married Jan de Groot (c1769-) 20 May 1796 in Amsterdam, Netherlands. Ancestors are from Germany.
|Offspring of Jan de Groot and Johanna Klijn (c1770-)|
|Klaas de Groot (1797-1856)||26 January 1797 Amsterdam, Netherlands||2 July 1856 Zwollekarspel, Overijssel, Netherlands|| Geertruid Kelderman (1792-1853)|