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Sophia Theresia Helena Maria van der PLAS
Johannes Cornelis van der PLAS
Catharina Wilhelmina Maria WENSING
These Charts show the relative state of completion of an individual's Pedigree Chart. It compares the number of vital statistics currently found to the total required to fill ten generations out from the chosen person.
The PIKWA concept was developed by Otto P. van Driel
in The Netherlands.
Adapted to our Pedigree Charts by Rob Vanderplas