Friedrich Treu - Pedigree | FamilyCentral
 19 Oct 1865 -
 Abt 1831 - 2 Jun 1902
 5 Jun 1839 - 9 May 1889
 31 Aug 1798 - 9 Mar 1876
 10 Nov 1800 - 18 Jan 1862
 Abt 1798 - 15 Jul 1869
 25 Apr 1801 - 6 May 1875
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