2021 Relativity
2021 Relativity
Willem Jans Kobus(24 Apr 1849 - 11 Aug 1921)
Tjitske Jans Hoogstins(8 May 1850 - 29 Sep 1899)
Jeltje Kobus
b. 23 Dec 1886
d. 25 Jan 1887
updated 3/27/21
copyright 2021 Jean Wisner Dupon