2021 Relativity
2021 Relativity
Cornelius Valkenburg(31 Oct 1889 - 10 Feb 1979)
Anna Martina Barents(20 Dec 1893 - 20 Apr 1973)
Jacob Valkenburg
b. 31 Aug 1929, MI
d. 20 May 2006, Redlands, CA
updated 3/27/21
copyright 2021 Jean Wisner Dupon