2021 Relativity
2021 Relativity
Cornelius Valkenburg(31 Oct 1889 - 10 Feb 1979)Adrian van der Lugt(31 Dec 1884 - 7 Feb 1968)
Anna Martina Barents(20 Dec 1893 - 20 Apr 1973)Gertrude Brower
William Valkenburg
Jenny van der Lugt
b. 21 Apr 1917, MI
d. 5 Aug 2010, Banning, CA
b. 23 Sep 1916, South Dakota
d. 15 May 1998, Redlands, CA
Children
Robert James Valkenburg(2 Feb 1949 - 26 Nov 2005)