2021 Relativity
2021 Relativity
Boleslaw Potwardowski(1880 - Dec 1949)
Franciszka Zubert(1885 - Jul 1955)
Maryanna Stefania Potwardowski
b. 16 Apr 1911, Jersey City, NJ
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon