2021 Relativity
2021 Relativity
Willem Jans Kobus(24 Apr 1849 - 11 Aug 1921)
Tjitske Jans Hoogstins(8 May 1850 - 29 Sep 1899)
Sytze Tibbesma
Swaantje Kobus
b.
d.
b. 15 Feb 1878
d. 15 Oct 1902
Children
Willem Tibbesma(Jun 1901 - 8 Mar 1902)
Tjitske Tibbesma(Oct 1902 - 26 Feb 1903)