4 Generation Circle Diagram: |
| Arnolda Luitjes Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerrit Martens < Jan Jacob Martens |
| Gerrit Martens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Arnolda Luitjes < Jan Jacob Martens |
| Jan Jacob Martens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria de Lang < Justina Wilhelmina Martens |