| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gustaaf Jan Overloop | Child | 1907 | Zaventem | Civil registration births |
| Gustaaf Johannes van Overloop | Child | 1879 | Hulst | Civil registration births |
| Gustaaf Overloop | Witness | 1889 | Brussel | Civil registration marriages |
| Gustaaf Overloop | Witness | 1888 | Meerbeek | Civil registration marriages |
| Gustaaf Overloop | Witness | 1908 | Meerbeek | Civil registration marriages |
| Gustaaf Petrus van Overloop | Groom | 1929 | Amsterdam | Civil registration marriages |
| Gustaaf Petrus van Overloop | Child | 1908 | Clinge | Civil registration births |
| Gustaaf Petrus van Overloop | Groom | 1940 | Amsterdam | Civil registration marriages |
| Gustav Petrus van Overloop | Tewerkgestelde | 's-Gravenhage, Clinge | Workforce registration |
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