| Name | Role | Place | Source | |
|---|---|---|---|---|
| Tryntje Koops | Relation | 1828 | Ruinerwold | Civil registration deaths |
| Tryntje Koops | Mother | Vincennes/Parijs | Studbooks | |
| Tryntje Koops | Mother | 1806 | Harlingen | Church records baptisms |
| Tryntje Koops | Mother | 1811 | Harlingen | Church records baptisms |
| Tryntje Koops Elzinga | Registered | 1801 | Achtkarspelen | Population register |
| Tryntje Koops v d Velde | Registered | 1870 | Achtkarspelen | Population register |
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