John Duff - Pedigree | FamilyCentral
 3 Jan 1773 - 20 Aug 1849
 Abt 1746 - 19 Jan 1825
 1752 - 1799
 Abt 1720 - 17 May 1796
 1722 - Aft 1796
 Abt 1700 - 1780
Family Group
Mary Dryden
 md. 2 Jan 1794