Name | Role | Place | Source | |
---|---|---|---|---|
Gualtherus Constantinus Marius Kolff | Gelastigde | 1881 | Leeuwarden | Notarial records |
Gualtherus Kolff | Mention | 1912 | Leeuwarden | Notarial records |
Gualtherus Kolff | Mention | 1912 | Leeuwarden | Notarial records |
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