2021 Relativity
2021 Relativity
Willem Jans Kobus(24 Apr 1849 - 11 Aug 1921)
Tjitske Jans Hoogstins(8 May 1850 - 29 Sep 1899)
Klaas Kobus
b. 2 May 1891
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon