Family/Spouse: Mary Alma Steinhoff. Mary (daughter of John Jacob Steinhoff and Margaret Alice Ferguson) was born on 2 Mar 1902 in Woodbury County, Iowa, USA; died on 18 Apr 1992 in Aberdeen, Grays Harbor County, Washington, USA; was buried in Graceland Park Cemetery, Sioux City, Woodbury County, Iowa, USA. [Group Sheet] [Family Chart]