Johann Wilhelm Letterman - Pedigree | FamilyCentral
 1 Jul 1803 - 12 Oct 1804
 27 Apr 1771 - 11 May 1834
 11 Dec 1764 - 3 Apr 1829
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Family Group
 12 Oct 1733 - 29 May 1807
 10 Nov 1732 - 14 Dec 1814
 3 Feb 1679 - 21 Mar 1759
 1691 - 18 Nov 1771
 9 Jan 1655 - 9 Dec 1724
 1 Oct 1650 -