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Anna Geertruida HEINTZBERGER
Johannes Gerardus Hendricus HEINTZBERGER
Dorothea Johanna van der ERF
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