| Name | Role | Place | Source | |
|---|---|---|---|---|
| Cornelius Jansen van Heukelum | Father | 1704 | Bergeijk | Church records baptisms |
| Cornelius Jansen van Heukelum | Father | 1704 | Bergeijk | Church records baptisms |
| Cornelius v. Heukelum | Tewerkgestelde | 's-Gravenhage, Sliedrecht | Workforce registration | |
| Cornelius van Heukelum | Witness | 1718 | Bergeijk | Church records baptisms |
| Cornelius van Heukelum | Father | 1712 | Bergeijk | Church records baptisms |
| Cornelius van Heukelum | Witness | 1718 | Bergeijk | Church records baptisms |
| Cornelius van Heukelum | Father | 1712 | Bergeijk | Church records baptisms |
| Cornelius van Hukelum | Tewerkgestelde | 's-Gravenhage, Sliedrecht | Workforce registration | |
| Ida Cornelius van Heukelum | Witness | 1712 | Bergeijk | Church records baptisms |
| Ida Cornelius van Heukelum | Witness | 1712 | Bergeijk | Church records baptisms |
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