| Name | Role | Place | Source | |
|---|---|---|---|---|
| Joannes L. Hacker | Baptized | 1742 | Steenbergen | Church records baptisms |
| L. Hacker | Travelers | 1963 | Rotterdam | Passenger registers |
| L. Hacker | Travelers | 1948 | Passenger registers | |
| L. Hacker | Travelers | 1967 | Passenger registers | |
| L. Hacker | Travelers | 1961 | New York | Passenger registers |
| L. Hacker | Travelers | 1960 | Rotterdam | Passenger registers |
| L. Hacker | Travelers | 1967 | Los Angeles | Passenger registers |
| L. Hacker | Travelers | 1960 | New York | Passenger registers |
| L. Hacker | Travelers | 1966 | Passenger registers | |
| L. Hacker | Travelers | 1966 | Los Angeles | Passenger registers |
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