Wilhelm married Rose Senn on 18 Oct 1936 in Queens, Queens County, New York, USA. Rose (daughter of Rudolph Ferdinand Senn and Florence Westervelt) was born on 26 Jul 1917 in Brooklyn, Kings County, New York, USA; died on 7 Dec 1997 in West Islip, Islip, Suffolk County, New York, USA. [Group Sheet] [Family Chart]

1. Florence Hahn was born on 18 Feb 1938; died on 21 Feb 2005.
2. Catherine Hahn was born on 6 Apr 1943 in New York, New York County, New York, USA; died on 9 Apr 1943 in New York, New York County, New York, USA.