Johann Friedrich Hartmann
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- 1 Johann Friedrich Hartmann [1]
- Eva Elisabetha Laydig
- 2 Rosina Margaretha Katharina Hartmann [1.1] b. 26 Apr 1824
- Gottlieb Gottfried Obenland b. 1 Apr 1825
- 3 Marie Sophie Katharine Rosalie Obenland [1.1.1] b. 18 Feb 1865 d. 22 Apr 1865
- 3 Gottlieb Christian Obenland [1.1.2] b. 12 Jul 1863 d. 8 Oct 1863
- 3 Johann Christian Carl Obenland [1.1.3] b. 31 Aug 1856 d. 7 Sep 1861
- 3 Georg Adolf Konrad Obenland [1.1.4] b. 24 Aug 1867 d. 25 Feb 1871
- 3 Marie Katharine Karoline Obenland [1.1.5] b. 28 Jun 1859
- 3 Maria Sofia Katharina Christiana Obenland [1.1.6] b. 3 Sep 1855
- 3 Gottlob Adolf Georg Marius Konrad Obenland [1.1.7] b. 20 Jul 1869 d. 6 Sep 1869
- 3 Gottfried Karl Konrad Johann Obenland [1.1.8] b. 5 May 1858
- 3 Marie Sophie Katharine Rosalie Obenland [1.1.1]
- 2 Rosina Margaretha Katharina Hartmann [1.1]