2021 Relativity
2021 Relativity
Klaas Dupon(12 Dec 1861 - 15 Jul 1899)
Fokjen van der Veen(16 Dec 1866 - )
Fedde Dupon
b. 19 May 1898
d. 11 Jun 1975
updated 3/27/21
copyright 2021 Jean Wisner Dupon