m. 20 Jul 1899, Amsterdam
Johannes Fredrik Siekerman
Wilhelmina Johanna Smit
b. 6 Sep 1877, Amsterdam
d. 24 May 1909, Amsterdam
bur.  
occ.  
edu.  
rel.  
b. 7 Aug 1876, Amsterdam
d. 31 Oct 1960, Woerden
bur.  
occ.  
edu.  
rel.