John married Katherine Elizabeth Seitz after Nov 1940. Katherine (daughter of John Frederick Seitz and Louise Staub) was born on 31 May 1893 in Alden, Erie County, New York, USA; died on 18 Feb 1965 in Saint Petersburg, Pinellas County, Florida, USA; was buried in Clarence Fillmore Cemetery, Clarence, Erie County, New York, USA. [Group Sheet] [Family Chart]