Jan Koolstra
Birth:
Abt 1870
of Friesland, Netherlands
Individual Information
FCID:6192:9020      
Parents
Father:
Mother:
Marriage(s)
Family Group
Hielkje Kingma
md. Abt 1892 of Friesland, Netherlands
  Children
1.  
Luitzen Jans Koolstra
b. 13 Apr 1894