| Wilhelmina Cornelia de Kogel | Bride | Marriage | 31-5-1911 | Utrecht | Civil registration marriages |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1900 | Maartensdijk | Population register |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1900 | Maartensdijk | Population register |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1900 | Utrecht | Population register |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1900 | Utrecht | Population register |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1885 | Utrecht | Population register |
| Wilhelmina Cornelia de Kogel | Registered | Registration | 1885 | Utrecht | Population register |
| Wilhelmina Cornelia de Kogel | Mother | Birth | 24-1-1921 | Utrecht | Civil registration births |