Theodorus Lambertus Jacobus "Theodoor" Derks 1877–1941 Maria Catharina Gerardina van den Bergh 1878–1942 | | |
Lambertus Jacobus Antonius "Lambert" Derks 1878–1945 Anna Maria Timoot de Porto 1891–1983 | | |
Antonius Johannes "Antoon" Derks 1880–1955 Marie Josephine Eugénie Corten 1887–1974 | | |
Jacobus Arnoldus "Jacques" Derks 1882–1956 Anna Dijmphna Hendrika Elisabeth Maria Heijnen 1896–1980 | | |
| | Arnoldus "Nol" Derks 1846–1916 Petronella "Nel" van Haren 1842–1927 | | |