Husband: Otto van IJsselstein
   Born:                  at:   
Married:                  at:   
   Died: BEF Mar 1353     at:   
 Father:Gijsbrecht van Amstel
 Mother:Bertha van Heukelom
        Other Spouses: Mechteld van Zuilen  
PEDIGREE  
   Wife: Berta Grauwert
   Born:                  at:   
   Died:                  at:   
 Father:
 Mother:
        Other Spouses: 
PEDIGREE  
CHILDREN
   Name: Gijsbert van IJsselstein
   Born:                  at:   
Married:                  at:   
   Died: 1397             at:   
Spouses: 
PEDIGREE  NOTES