John Thomas Duff - Pedigree | FamilyCentral
 20 Aug 1861 - 20 Aug 1937
 20 Feb 1835 - 3 Nov 1911
 21 Sep 1840 - 14 Dec 1912
 19 May 1798 - 29 Mar 1884
 22 Dec 1800 - 4 Feb 1868
Family Group
Family Group
 Abt 1756 - 5 Jan 1808
 Abt 1758 - 1814
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Family Group
 Abt 1731 - 17 May 1796
 Abt 1730 - 1812
 Abt 1736 - 3 Apr 1797
 Abt 1730 -
Kittie Ann Graham
 md. 21 Jun 1885
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