| Name | Role | Place | Source | |
|---|---|---|---|---|
| Abraham Jan van Leeuwen | Registered | 1825 | Amsterdam | Patient registry |
| Abraham Jan van Leeuwen | Registered | 1824 | Amsterdam | Patient registry |
| Jan Abraham van Leeuwen | Employee | 1704 | Rotterdam | Personnel-administration |
| Jan Abraham van Leeuwen | Groom | 1815 | Amsterdam | Civil registration marriages |
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/