| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jaak Colson | Witness | 1889 | Brussel | Civil registration marriages |
| Jaak Colson | Witness | 1896 | Brussel | Civil registration marriages |
| Jaak Colson | Witness | 1889 | Brussel | Civil registration marriages |
| Jaak Colson | Father of bride | 1905 | Brussel | Civil registration marriages |
| Jaak Colson | Witness | 1900 | Brussel | Civil registration marriages |
| Jaak Colson | Groom | 1889 | Brussel | Civil registration marriages |
| Jaak Colson | Witness | 1892 | Brussel | Civil registration marriages |
| Jaak Colson | Father | 1905 | Neerrepen | Civil registration deaths |
| Jaak Colson | Deceased | 2023 | Merksplas, Mechelen | Rouwbrieven |
| Jaak Colson | Deceased | 1977 | Waterschei | Prayer card collection |
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