John Hartmann - Pedigree | FamilyCentral
 Abt 1865 - 28 Mar 1940
 28 Feb 1837 - 15 Jan 1924
 10 Dec 1839 - 29 Aug 1917
 1 Jan 1786 - 9 Dec 1859
 16 Oct 1802 - 13 Jun 1880
 3 Oct 1801 - 18 Aug 1869
 11 Aug 1810 - 13 Feb 1901
 9 May 1734 -
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 1777 - 28 Mar 1808
 22 Jul 1778 - 19 Jan 1839
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 4 Apr 1746 - 19 May 1840
 Abt 1759 - 25 Nov 1818
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