Lucas married Willemina Koller on 23 Jul 1910 in Voorst, Gelderland, Nederland. Willemina (daughter of Lambertus Koller and Gerritjen Berenschot) was born on 15 Sep 1880 in Twello, Gelderland, Nederland; died on 20 Aug 1917 in Deventer, Overijssel, Nederland. [Group Sheet]
