| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Ruurd Rumpff | Groom | 1942 | Groningen | Civil registration marriages |
| Jan Ruurd Rumpff | Child | 1915 | Groningen | Civil registration births |
| Rudolf Rumpff | Tewerkgestelde | 's-Gravenhage, Veendam | Workforce registration | |
| Rudolf Rumpff | Tewerkgestelde | 's-Gravenhage | Workforce registration | |
| Rudolf Rumpff | Tewerkgestelde | 's-Gravenhage, Veendam | Workforce registration | |
| Ruurd Rumpff | Child | 1920 | Groningen | Civil registration births |
| Ruurd Rumpff | Registered | 1920 | Amsterdam | Personal cards |
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