My father Johannes Adrianus Marinus VanRoon born Gravenhage,
Netherlands 17/1/13, married Clazina Helena Grobben 17/8/38 DenHague.
Searching for relatives of Maria Katrina Vyverberg (my grandmother) and Johannes Adrianus VanRoon (my grandfather)
or Wilhelmus Vanroon (uncle) or Maria (aunt Ria now living somewhere in Canada, surname unknown). Also step grandmother Margerata DeVreugd (two more children Siska and Hans) Believe to be living in Vlaardingen area.