2021 Relativity
2021 Relativity
Hendrikus Zweirs(8 Sep 1838 - 6 Sep 1909)
Margje de Groot(1852 - )
John Zweirs
b. 27 Jan 1890, Jamestown, MI
d. Dec 1980, Holland, MI
updated 3/27/21
copyright 2021 Jean Wisner Dupon