| Name | Role | Place | Source | |
|---|---|---|---|---|
| #### Wed. Gerben R. v.d. Kooy | Mention | 1859 | Wonseradeel | Kohieren hoofdelijke omslag |
| Gerben R. v.d. Kooy | Mention | 1856 | Wonseradeel | Kohieren hoofdelijke omslag |
| R. v.d. Kooy | Travelers | 1967 | Rotterdam | Passenger registers |
| R. v.d. Kooy | Travelers | 1967 | Rotterdam | Passenger registers |
| R. v.d. Kooy | Travelers | 1963 | Montreal | Passenger registers |
| R. v.d. Kooy | Travelers | 1963 | Rotterdam | Passenger registers |
| R. v.d. Kooy | Travelers | 1954 | New York | Passenger registers |
| R. v.d. Kooy | Travelers | 1954 | Rotterdam | Passenger registers |
| R. v.d. Kooy | Travelers | 1967 | Montreal | Passenger registers |
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