Joseph married Theresa Eleanor Ficker on 20 Jan 1920 in Kansas, USA. Theresa (daughter of Frank Ficker and Mary Anna Seus) was born on 13 Aug 1899 in Kansas, USA; died on 17 Oct 1984; was buried in Holy Family Cemetery, Odin, Barton County, Kansas, USA. [Group Sheet] [Family Chart]

1. Joseph Dominic Prosser was born on 26 Jul 1922 in Kansas, USA; died on 12 Sep 1982 in Great Bend, Barton County, Kansas, USA; was buried in Great Bend Cemetery, Great Bend, Barton County, Kansas, USA.
2. Bernard J. Prosser was born on 14 Jul 1924 in Oregon, USA; died on 16 Aug 2012 in Kansas, USA; was buried in Holy Family Cemetery, Odin, Barton County, Kansas, USA.
3. Norbert J. Prosser was born on 10 Feb 1930 in Kansas, USA; died on 18 Jan 2016; was buried in Holy Family Cemetery, Odin, Barton County, Kansas, USA.