| Name | Role | Place | Source | |
|---|---|---|---|---|
| Franciscus Léo Decoster | Groom | 1899 | Sint-Joris-Weert | Civil registration marriages |
| Leo Decoster | Deceased | 2018 | Paris | Civil registration deaths |
| Leo Decoster | Witness | 1910 | Vissenaken | Civil registration marriages |
| Leo Decoster | Deceased | 2018 | Paris | Civil registration deaths |
| Leo Lodewijk Decoster | Child | 1891 | Opvelp | Civil registration births |
| Leo Lodewijk Decoster | Father | 1920 | Willebringen | Civil registration births |
| Leo Lodewijk Decoster | Groom | 1919 | Willebringen | Civil registration marriages |
| Leo Louis Decoster | Child | 1892 | Opvelp | Civil registration births |
| Leo Louis Decoster | Father | 1919 | Willebringen | Civil registration births |
| Theresia Leo Blondina Decoster | Child | 1864 | Diest | Civil registration births |
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