4 Generation Circle Diagram: |
| Petrus Fens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna van Strien < Adrianus Wilhelmus Fens < Petrus "Pieter" Fens < Willem Fens |
| Wilhelmina Huberdina Franken Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johannes Aerts < Anna Cornelia Aerts < Wilhelmus Aerts |