2021 Relativity
2021 Relativity
Yke Ritskes Bergsma
Yttje Douwes Douma
b.  
d.  
b.  
d.  
Children
Douwe Bergsma(19 Aug 1819 - 10 Oct 1873)
updated 3/27/21
copyright 2021 Jean Wisner Dupon