Willem married Margaretha van Ipenburg on 5 Apr 1905 in Rotterdam. Margaretha (daughter of Frederik van Ipenburg and Pieternella Labeij) was born about 1879 in Schoonhoven; died on 17 May 1965 in Maartensdijk. [Group Sheet] [Family Chart]
Christianus married Catharina Jacoba de Kruijf. Catharina was born on 18 May 1855 in Zeist. [Group Sheet] [Family Chart]
Frederik married Pieternella Labeij. [Group Sheet] [Family Chart]
Pieter married Everdina Clerx on 26 Apr 1858 in Breda. Everdina was born on 17 Oct 1838 in Breda. [Group Sheet] [Family Chart]