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Lenaert Lenaertsz van der PLAS
Leendert Jeroensz van der PLAS
Neeltgen Pieters Aelwijns van der SWILL
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