Mary K. Duff - Pedigree | FamilyCentral
 26 Sep 1811 -
 3 Jan 1768 -
 1 Feb 1773 -
 25 Jul 1744 - 21 Dec 1819
 1746 - 29 Dec 1823
Family Group
 Abt 1720 - 17 May 1796
 1722 - Aft 1796
 Abt 1700 - 1780
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