| Name | Role | Place | Source | |
|---|---|---|---|---|
| Michaelis Richard Cohn | Father of groom | 1936 | Amsterdam | Civil registration marriages |
| Richard Cohn | Travelers | 1914 | Rotterdam | Passenger registers |
| Richard Cohn | Travelers | 1949 | Rotterdam | Passenger registers |
| Richard Cohn | Travelers | 1929 | Rotterdam | Passenger registers |
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