Name | Role | Place | Source | |
---|---|---|---|---|
Gualtherus Johannes Cornelis Kolff | Father | 1881 | Leiden | Militia records |
Gualtherus Johannes Cornelis Kolff | Father | 1887 | Leiden | Militia records |
Gualtherus Johannes Cornelis Kolff | Father | 1885 | Leiden | Militia records |
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