Husband: Jan de Beer
   Born:                  at:   
Married:                  at:   
   Died:                  at:   
 Father:Gerrit de Beer
 Mother:Anna Hoekstra
        Other Spouses: 
   Wife: Marianne Louise Kooijman
   Born:                  at:   
   Died:                  at:   
 Father:Willem Kooijman
 Mother:Wilhelmina Johanna de Beer
        Other Spouses: