| Name | Role | Place | Source | |
|---|---|---|---|---|
| Joannes Josephus Henricus van Leeuwen | Father | 1948 | Oudenrijn | Civil registration deaths |
| Joannes Josephus Henricus van Leeuwen | Registered | 1900 | Oudshoorn | Population register |
| Joannes Josephus Henricus van Leeuwen | Groom | 1947 | Utrecht, Alphen aan den Rijn | Civil registration marriages |
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