Family/Spouse: Katherine Gratz. Katherine (daughter of Joseph Gratz and Wilhelmina Böhm) was born on 14 Nov 1916 in Judson, Morton County, North Dakota, USA; died on 10 Sep 2007 in Glendale, Maricopa County, Arizona, USA; was buried in Sidney Cemetery, Sidney, Richland County, Montana, USA. [Group Sheet] [Family Chart]