2021 Relativity
2021 Relativity
Janke Kuperus(11 Jun 1864 - 20 Oct 1925)
Janne Wietzes Kuperus
b. 19 Dec 1904, Smallingerland, Friesland
d. 30 Jul 1992, Tietjersteradeel, Friesland
Children
Janke de Graaf(25 Apr 1929 - )
updated 3/27/21
copyright 2021 Jean Wisner Dupon