2021 Relativity
2021 Relativity
Kazimierz Piasecki(4 Mar 1842 - )
Maryanna Kroczewska(1844 - )
Leokadya Piasecka
b. 15 Oct 1876, LIgowo, Poland
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon