Willem married Emilie Sophie Spruijt on 28 Dec 1910 in Groningen, Groningen, Nederland. Emilie (daughter of Adrianus Cornelis Leendert L. Spruyt and Anna Charlotte Reiniera van Heeckeren) was born on 15 Jul 1890 in Hoogezand, Sappemeer, Groningen, Netherlands; died on 25 Apr 1973 in Utrecht, Utrecth, Nederland. [Group Sheet] [Family Chart]