| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacques De Keyzer | Father | 1809 | Oosterzele | Civil registration deaths |
| Jacques De Keyzer | Father | 1896 | Sint-Kornelis-Horebeke | Civil registration deaths |
| Jacques De Keyzer | Grootouder | 1869 | Leuven | Civil registration births |
| Jacques De Keyzer | Father | 1808 | Oosterzele | Civil registration deaths |
| Jacques de Keyzer | Registered | Amsterdam | Waterloo gratificaties 1815 | |
| Jacques de Keyzer | Father | 1857 | Namur | Civil registration deaths |
| Philippe Jacques De Keyzer | Father of bride | 1844 | Sint-Jans-Molenbeek | Civil registration marriages |
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