Johann Fredrich Speidel - Pedigree | FamilyCentral
 20 May 1799 - 30 Nov 1863
 10 Feb 1770 - 16 Jan 1853
 29 Nov 1773 - 7 Jan 1827
 5 Oct 1739 - 5 Feb 1825
 17 Nov 1735 - 4 Feb 1805
 8 Apr 1707 - 17 Feb 1770
 18 Apr 1709 - 1 Jan 1775
 1664 - 26 Apr 1730
  - 30 Aug 1725