Aaltje Johannes Kramer - Pedigree | FamilyCentral
 12 May 1845 - 25 Feb 1928
 10 Jul 1810 - 1 Jan 1886
 19 Sep 1809 - 19 May 1886
  - 31 Dec 1825
  - 15 Jan 1847
  - 20 Apr 1810
 Abt 1740 - 7 Mar 1777
Family Group
 Abt 1700 -
 Abt 1705 -
Pieter Jelles Hamstra
 md. 15 May 1874
Family Group
  Children