2021 Relativity
2021 Relativity
Gerrit Zweirs(1887 - Jul 1966)Wietze Dupon(2 Jul 1885 - 4 Oct 1971)
(Fannie) Harriet Ratering(1888 - 25 Mar 1919)Jantje Bierling(16 Jan 1888 - 11 Aug 1981)
Marvin Zwiers
Theressa Dupon
b. 10 Oct 1916, Iowa
d. 28 Dec 1981, Grand Rapids, MI
b. 29 May 1915, Grand Rapids, MI
d. 10 Nov 2008