2021 Relativity
2021 Relativity
Sybren Annes Jongsma
Sibbeltje Lieuwes van der Veen
b.  
d.  
b.  
d.  
Children
Fedde Frank Jongsma(16 Aug 1864 - 3 May 1947)
updated 3/27/21
copyright 2021 Jean Wisner Dupon