| Name | Role | Place | Source | |
|---|---|---|---|---|
| Sieuwert (!) / Sivert? Andriesz Leeuwen, v. | Person in notarial deed | 1772 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. | Person in notarial deed | 1773 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. (!) | Person in notarial deed | 1778 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. (!) | Person in notarial deed | 1778 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. (!) | Person in notarial deed | 1775 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. (!) | Person in notarial deed | 1773 | Grootebroek | Notarial records |
| Sieuwert Andriesz Leeuwen, v. (!) | Person in notarial deed | 1754 | Grootebroek | Notarial records |
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