2021 Relativity
2021 Relativity
Wladyslaw Kowalewski(22 Sep 1868 - )
Konstancya Sławinska(1 Apr 1874 - )
Zygmunt Kowalewski
b. 5 May 1894, Oboz, Skępe, Poland
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon