2021 Relativity
2021 Relativity
Jozef Swiderski(1863 - )
Walerya Radwanska(11 Jan 1872 - )
Jan Swiderski
b. 11 Mar 1898, Malomin, Tluchowo, Poland
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon