| Name | Role | Place | Source | |
|---|---|---|---|---|
| Daniel M. Jr. Ricker | Travelers | 1931 | New York | Passenger registers |
| Daniel M. Ricker | Travelers | 1931 | Rotterdam | Passenger registers |
| M. Ricker | Registered | 1905 | Amsterdam | Family cards |
| M. Ricker | Registered | 1909 | Amsterdam | Family cards |
| M. Ricker | Travelers | 1952 | Passenger registers | |
| M. Ricker | Travelers | 1958 | Rotterdam | Passenger registers |
| M. Ricker | Travelers | 1965 | Rotterdam | Passenger registers |
| M. Ricker | Travelers | 1958 | New York | Passenger registers |
| M. Ricker | Travelers | 1958 | Vancouver | Passenger registers |
| M. Ricker | Travelers | 1958 | Rotterdam | Passenger registers |
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