| Partner | Johanna Margaretha Steenbrink |
| Partner | Cornelis Robertus Mastwijk |
| Kind | Clasina Johanna Mastwijk |
| Kind | Cornelis Nicolaas Mastwijk |
| Kind | Gerardus Theodorus Mastwijk |
| Kind | Hendrikus Cornelis Mastwijk |
| Kind | Joannes Clasina Mastwijk |
| Kind | Johanna Geertruida Mastwijk |
| Kind | Maria Helena Mastwijk |
| Kind | Nicolaas Wijnandus Mastwijk |
| Kind | Nicolaas Wijnandus Mastwijk |
| Kind | Robertus Gerardus Mastwijk |
| Kind | Susanna Clasina Johanna Mastwijk |
| Kind | Theodorus Johannes Mastwijk |
| Kind | Wijnandus Nicolaas Mastwijk |
| Getrouwd | 1926 Vleuten |