4 Generation Circle Diagram: |
| Dorotheo de Heeger Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Isaak van Gorkom < David van Gorkom |
| Jan Kasper van Gorkom Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Siblings Dorathea van Gorkom Isaak "Izak" van Gorkom Aletta van Gorkom |