2021 Relativity
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2021 Relativity
2021 Relativity
Janne Wietzes Kuperus
(19 Dec 1904 - 30 Jul 1992)
de Graaf
Janke de Graaf
b.
d.
b.
25 Apr 1929, Twijzel, Friesland
d.
Children
Janna de Graaf
updated 3/27/21
copyright 2021 Jean Wisner Dupon