2021 Relativity
2021 Relativity
Pieter Langerveld(14 Jul 1805 - 11 Oct 1899)
Maria Verschoor(14 May 1805 - )
Frank Langerveld
b. 26 Apr 1838, Delft, ZH
d. 9 Sep 1862
updated 3/27/21
copyright 2021 Jean Wisner Dupon