2021 Relativity
2021 Relativity
Marcin Wiśniewski(20 Oct 1866 - 3 Feb 1940)
Jozefa Sławinska(19 Aug 1868 - 5 Apr 1953)
Leon Wisniewski
b. 1 Apr 1897, Jersey City, NJ
d. Dec 1910, Jersey City, NJ
updated 3/27/21
copyright 2021 Jean Wisner Dupon