Clarence M. Ackerman - Pedigree | FamilyCentral
 22 Mar 1873 - 20 Jul 1941
 30 Apr 1845 - 10 Mar 1927
 20 Jan 1821 - 8 Apr 1891
 3 Aug 1818 - 23 Apr 1895
 1791/96 - 9 Feb 1885
 1793 - 14 Apr 1864
  - 1819
 Abt 1763 -