He is married to Engelina Spermon.
They got married on February 8, 1882 at Rotterdam , he was 22 years old.Source 1
Stamboom Dolf van der Valk
Gehuwd 8 februari 1882, Rotterdam, met Engelina Spermon 1860- en hun kinderen
M Jacobus Gerardus van Houten 1882-
M Johannes Petrus Nicolaas van Houten 1884-
V Colletta van Houten 1886-1886
V Colletta Bernardina Maria van Houten 1887-
M Wilhelmus Antonius van Houten 1889-
M Lambertus Jacobus Bernardus van Houten 1892-1953
M Cornelis Petrus van Houten 1894-1894
V Petronella Bernardina van Houten 1896-
V Engelina Maria Wilhelmina van Houten 1899-1899
M Cornelis Antonius van Houten 1903-
V Maria Louisa Johanna Hubertina van Houten 1907-
Child(ren):