| Name | Role | Place | Source | |
|---|---|---|---|---|
| Casper Jacobus van Graúwenhaan | Father | 1811 | Rotterdam | Church records baptisms |
| Casper van Grauwenhaan | Witness | 1747 | Delft | Church records baptisms |
| Petronella Cornelia Casper van Graúwenhaan | Child | 1811 | Rotterdam | Church records baptisms |
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