Howard Clemmensen - Pedigree | FamilyCentral
 Dec 1894 - 1975
 5 Mar 1862 - 1895
 1862 - 1937
 21 Jul 1812 -
 30 Sep 1821 -
  - 22 Aug 1850
 22 Feb 1783 - 25 May 1848
 3 May 1791 -
 Abt 1726 -
 20 Apr 1760 -