2021 Relativity
2021 Relativity
Sjoerd Edzes Dupon(9 Mar 1844 - 24 May 1937)
Aaltje Veenema(17 Dec 1845 - 22 Jan 1913)
Sake Dupon
b. 11 Jun 1875, Nijega, Friesland
d. 22 Apr 1893
updated 3/27/21
copyright 2021 Jean Wisner Dupon