Fredrik de Groot - Pedigree | FamilyCentral
 20 May 1890 - 13 Oct 1890
 17 Jul 1865 - 12 Mar 1933
 30 Dec 1863 - 7 Oct 1942
 12 Oct 1834 - 23 Apr 1912
 5 Apr 1824 - 5 Nov 1899
 28 Jan 1794 - 1 Aug 1856
 17 Dec 1791 - 21 Jun 1855
 24 May 1744 - 7 May 1823
 Abt 1764 -