2021 Relativity
2021 Relativity
Johannis de Zwarte(18 Mar 1814 - 10 Apr 1870)
Adriana Andriessen(18 Oct 1815 - 29 Oct 1885)
Abraham de Zwarte
b. 1857, Milwaukee, WI
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon