Jonas Geiss - Pedigree | FamilyCentral
 22 Apr 1856 - 17 Jul 1928
 5 Jun 1823 - 2 Dec 1902
 10 Nov 1828 - 27 Mar 1895
 6 Feb 1800 - 11 Jan 1868
 15 Jan 1794 - 3 Sep 1847