2021 Relativity
2021 Relativity
Jan Westerhof(5 Nov 1865 - 1 Dec 1914)
Grietje Jurjens de Jong(30 Dec 1864 - 26 May 1932)
Jurjen Westerhof
b. 23 Nov 1898
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon