| Name | Role | Place | Source | |
|---|---|---|---|---|
| B. Hamminga | Buyer | 1650 | Leeuwarden | Deeds of sale |
| B. Hamminga | Travelers | 1956 | New York | Passenger registers |
| B. Hamminga | Travelers | 1956 | New York | Passenger registers |
| Hindrik B. Hamminga | Registered | 1839 | Groningen, Ten Boer (gem) | Population register |
| Klaas B. Hamminga | Registered | 1839 | Groningen, Ten Boer (gem) | Population register |
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