John Groff - Pedigree | FamilyCentral
 20 Aug 1789 - 23 Nov 1859
 Abt 1760 - 1827
 1763 - Abt 1820
 Abt Dec 1741 - 3 Oct 1784
 30 Dec 1745 - 4 Apr 1818
  - 2 Apr 1769
 1713 - Aft 1759
 20 Apr 1696 - 6 Apr 1769
 5 Aug 1705 - 3 Feb 1761
 Abt 1676 - Abt 1758
 Abt 1682 - Aft 1758