1. | Johann Friederich Hartmann was born on 6 Jan 1773 in Wennigsen, Hannover, Niedersachsen, Germany; died on 22 Jan 1848 in Algesdorf, Schaumburg, Niedersachsen, Germany. Johann married Marie Sophie Hinze on 22 Feb 1801 in Germany. Marie (daughter of Conrad Cord Heinrich Hinze and Trine Sophie Arlemann) was born on 21 Apr 1780 in Algesdorf, Schaumburg, Niedersachsen, Germany; died on 25 Jan 1870 in Algesdorf, Schaumburg, Niedersachsen, Germany. [Group Sheet] [Family Chart] Children:
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