2021 Relativity
2021 Relativity
Julian Umiński(9 Jan 1863 - 29 Dec 1930)
Bronislawa Kokoszczyńska(1 Oct 1865 - 1943)
Waclaw Umiński
Zofia Kotanska
b. 6 Jul 1901, Sierpc
d. 1970, Sopolt, Pomorze, Poland
b. 1907
d. 1969
updated 3/27/21
copyright 2021 Jean Wisner Dupon