| 1. | Wilhelm married Mathilde Pauline Rosentreter on 10 Apr 1890 in Berlin, Berlin, Brandenburg, Germany. Mathilde (daughter of Christoph Rosentreter and Ernstine Hardel) was born on 13 Mar 1861 in Kępa, Czarnków-Trzcianka County, Greater Poland Voivodeship, Poland; died on 29 Sep 1914 in Berlin, Berlin, Brandenburg, Germany. [Group Sheet] [Family Chart] |