4 Generation Circle Diagram: |
| Pieter Harms Koopman
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Pietje Roelfs Rozema < Hillechien Pieters Koopman < Harmina Koopman < Roelfke Koopman |
| Martha Jacoba Grenzenberg
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Hindrik Luurs < Harm Luurs < Jacob Luurs < Theodora Luurs |
| Grietje van der Lei
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Harm Luurs < Douwe Luurs |
| Harm Luurs
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Grietje van der Lei < Douwe Luurs Sibling Jacob Luurs Theodora Luurs |
| Douwe Luurs
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart |