| Name | Role | Place | Source | |
|---|---|---|---|---|
| Aalbert de Kler | Witness | 1761 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1738 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1768 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1761 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1775 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1741 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1770 | Leiden | Church records baptisms |
| Aalbert de Kler | Father | 1833 | Leiden | Civil registration deaths |