2021 Relativity
2021 Relativity
Pieter Hoogstraten(20 Jan 1866 - 27 Sep 1951)
Catherina Koehne(5 Sep 1877 - 20 Oct 1949)
Gerrit Hoogstraten
Johanna Margrieta Geerlings
b. 12 Sep 1906, Beemster, NH
d. 7 Mar 1978, Amsterdam, NH
b. 25 Sep 1908, Purmerend
d.