Joannes married Sophie Minna Backhaus in Jul 1890 in Bielefeld, Duitsland, and was divorced on 5 May 1927 in Den Haag. [Group Sheet] [Family Chart]
Family/Spouse: Cecelia Schaub. Cecelia was born on 3 Dec 1909; died on 16 Nov 1999. [Group Sheet] [Family Chart]