2021 Relativity
2021 Relativity
Bindert Pietersma(5 Nov 1873 - 14 Sep 1948)
Rinske Keizer(17 Oct 1868 - 5 Aug 1945)
Sijtze Pietersma
b. 25 Sep 1895
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon