Name | Role | Place | Source | |
---|---|---|---|---|
Willem Petrus Koolen | Father | 1843 | Leiden | Militia records |
Willem Petrus Koolen | Father | 1848 | Leiden | Militia records |
Willem Petrus Koolen | Loteling | 1856 | Leiden | Militia records |
Willem Petrus Koolen | Father | 1903 | Leiden | Militia records |
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