| Name | Role | Place | Source | |
|---|---|---|---|---|
| Abraham Groffsmit | Registered | 1782 | Amsterdam | Church records burials |
| Abraham Groffsmit | Registered | 1782 | Amsterdam | Church records burials |
| Cent Claesz Groffsmit | Registered | 1658 | Amsterdam | Church records burials |
| Gerrit Groffsmit | Employee | 1710 | Amsterdam | Personnel-administration |
| Groffsmit | Registered | 1776 | Amsterdam | Notarial records |
| Groffsmit | Registered | 1771 | Amsterdam | Notarial records |
| Teunis Groffsmit | Registered | 1764 | Amsterdam | Estate papers |
| Wiggert Centen Groffsmit | Registered | 1660 | Amsterdam | Church records burials |
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