2021 Relativity
2021 Relativity
Stanislaw Kleczkowski(7 May 1867 - )
Maryanna Walkiewicz(1876 - )
Roman Kleczkowski
b. 3 Feb 1906, Wierzbicki, Karnkowo, Poland
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon