Name | Role | Place | Source | |
---|---|---|---|---|
Blankennagel | Registered | Amsterdam | Police reports | |
Dirk Joh. W. Blankennagel | Registered | 1910 | Amsterdam | Police reports |
J. Blankennagel | Registered | Amsterdam | Police reports | |
Johannes A. Blankennagel | Registered | 1923 | Amsterdam | Police reports |
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