2021 Relativity
2021 Relativity
Nikolaas Pieter Koster(11 Aug 1877 - 3 Oct 1918)
Martha Boer(1 Jan 1880 - 23 Mar 1952)
Alfred Robert Blim
Violet Martha Koster
b. 1907
d. 1981
b. 18 Mar 1919, Zion, IL
d. 15 Dec 1999, Libertyville, IL
Children