| Name | Role | Place | Source | |
|---|---|---|---|---|
| Guillaume Constant Joseph Simons | Registered | 1913 | 's-Gravenhage | Population register |
| Guillaume Constant Joseph Simons | Child | 1879 | Liège | Civil registration births |
| Guillaume Constant Joseph Simons | Registered | 1900 | Luik | Population register |
| Guillaume Constant Joseph Simons | Father of bride | 1933 | Utrecht | Civil registration marriages |
| Guillaume Constant Joseph Simons | Deceased | 1941 | 's-Gravenhage | Civil registration deaths |
| Guillaume Constant Joseph Simons | Relation | 1950 | Noordwijk |
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