John Heckendorn - Pedigree | FamilyCentral
 31 Jul 1780 - 21 Apr 1845
 9 Sep 1746 - 24 Aug 1806
 Abt 1750 - 14 Apr 1802
 26 May 1720 - 22 Mar 1782
 Abt 1722 - 1752
 26 Jul 1685 - 14 Nov 1749
 Abt 1690 - 1754
 25 Dec 1638 -
 26 Jun 1641 -