| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jean Frederik Pierson | Partner | 1802 | Utrecht | Church records burials |
| Jean Frederik Pierson | Belanghebbende | 1810 | Notarial records | |
| Jean Frederik Pierson | Belanghebbende | 1808 | Notarial records | |
| Jean Frederik Pierson | Verklaarder | 1810 | Notarial records | |
| Jean Frederik Pierson | Attestant | 1810 | Notarial records |
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