2021 Relativity
2021 Relativity
Karel Manni(9 Feb 1870 - 23 Jul 1952)
Jacoba (Cora) de Ruiter(20 Apr 1872 - 30 Sep 1967)
James Herman Ruster
Helen Manni
b. 12 Dec 1905
d. Sep 1982, Grand Rapids, MI
b. 20 Nov 1905, Grand Rapids, MI
d. 19 Apr 2008, Madison, WI