2021 Relativity
2021 Relativity
Gerrit de Jong(25 Apr 1884 - 17 Nov 1966)Doeke Poelstra
Apolonia Valkenburg(11 Feb 1892 - 30 Nov 1967)Mary Workman
m. 15 Nov 1946, San Joaquin, CA
Jacob de Jong
Gertrude Poelstra
b. 19 Nov 1920, Hanford, CA
d. 11 Mar 1999, Ripon, CA
b. 1925
d.