| Name | Role | Place | Source | |
|---|---|---|---|---|
| Tjitse Tjerks Spijkstra | Registered | 1811 | Roordahuizum | Name adoption |
| Tjitse Tjerks Spijkstra | Father | 1831 | Baarderadeel | Civil registration deaths |
| Tjitse Tjerks Spijkstra | Father | 1814 | Idaarderadeel | Civil registration births |
| Tjitse Tjerks Spijkstra | Registered | 1841 | Het Bildt | Population register |
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