| Name | Role | Place | Source | |
|---|---|---|---|---|
| J.W. Cock | Passagier | 1948 | Tandjong Priok | Passenger registers |
| J.W. Cock | Passagier | 1948 | Tandjong Priok | Passenger registers |
| J.W. de Cock | Registered | 1887 | Amsterdam | Family cards |
| J.W. de Cock van Haaften | anderszins vermeld | 1785 | Schepenprotocollen | |
| J.W. de Cock van Haeften | Deceased | 1782 | Rossum | Church records burials |
| J.W. de Cock van Haeften | Deceased | 1782 | Tiel | Church records burials |
The term J.W. Cock appears in user-added comments on documents 1 2
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