| Name | Role | Place | Source | |
|---|---|---|---|---|
| Simkje Alberts Potma | Mother | 1784 | Workum | Church records baptisms |
| Simkje Alberts Potma | Mentioned | 1828 | Workum | Inscriptions and epitaphs |
| Simkje Alberts Potma | Deceased | 1828 | Workum | Death duties files |
| Simkje Alberts Potma | Lidmaat | 1838 | Workum | DTB Lidmaten |
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