| Name | Role | Place | Source | |
|---|---|---|---|---|
| Honoré Jaak Devos | Groom | 1919 | Merchtem | Civil registration marriages |
| Jaak Devos | Witness | 1919 | Boortmeerbeek | Civil registration marriages |
| Jaak Devos | Groom | 1891 | Etterbeek | Civil registration marriages |
| Jaak Devos | Witness | 1923 | Boortmeerbeek | Civil registration marriages |
| Jaak Devos | Witness | 1898 | Ukkel | Civil registration marriages |
| Jaak Devos | Deceased | 1995 | Deurne | Prayer card collection |
| Jaak Karel Devos | Father of groom | 1911 | Boortmeerbeek | Civil registration marriages |
| Willem Jaak Devos | Groom | 1919 | Tienen | Civil registration marriages |
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