| Name | Role | Place | Source | |
|---|---|---|---|---|
| Dirk Westerkamp | Groom | 1817 | Watergraafsmeer | Civil registration marriages |
| Dirk Westerkamp | Groom | 1921 | Slochteren | Civil registration marriages |
| Dirk Westerkamp | Child | 1901 | Siddeburen | Civil registration births |
| Dirk Westerkamp | Father of bride | 1856 | Amsterdam | Civil registration marriages |
| Dirk Westerkamp | Father | 1923 | Siddeburen | Civil registration births |
| Dirk Westerkamp | Father of bride | 1946 | Slochteren | Civil registration marriages |
| Dirk Westerkamp | Father | 1816 | Diemen | Civil registration deaths |
| Dirk Westerkamp | Father | 1827 | Watergraafsmeer | Civil registration deaths |
| Dirk Westerkamp | Deceased | 1826 | Watergraafsmeer, Duitsland | Civil registration deaths |
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