| Wilhelmina Hubertina Steegers *1848-†1927 |
| Gerard Godfried Backus *1849-†1937 |
| Doodgeb. Backus *1873-(†) |
| Theodora Backus *1874-†1954 |
| Petronella Backus *1876-†1916 |
| Doodgeb. Backus *1879-(†) |
| Maria Backus *1880-†1883 |
| Petronella Backus *1882-†1971 |
| Michiel Backus *1884-†1954 |
| Peter Hubert Backus *1887-†1888 |
| Peter Hubert Backus *1891- |
| Anna Backus *1894- |