2021 Relativity
2021 Relativity
Hendrik Bierling(27 Aug 1872 - 1 Aug 1960)
Dertje Bos(1874 - 1954)
Evert Bierling
b. 20 Jan 1909, Obergum, Groningen
d.  
updated 3/27/21
copyright 2021 Jean Wisner Dupon