| Name | Role | Place | Source | |
|---|---|---|---|---|
| Monte Gerrits Poortinga | Mention | 1878 | Emigration Registers | |
| Monte Gerrits Poortinga | Registered | 1878 | Wanswerd | Population register |
| Monte Gerrits Poortinga | Registered | 1878 | Wanswerd | Population register |
| Monte Gerrits Poortinga | Registered | 1878 | Wanswerd | Population register |
| Monte Gerrits Poortinga | Registered | 1878 | Wanswerd | Population register |
| Monte Gerrits Poortinga | Registered | 1878 | Wanswerd | Population register |
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