Gabriel married Isabelle Mary Fischer on 20 Feb 1928 in Montana, USA. Isabelle (daughter of Emanuel Benjamin Fischer and Barbara Kuntz) was born on 21 Nov 1909 in Dickinson, Stark County, North Dakota, USA; died on 23 May 1966 in Montana, USA; was buried in Sidney Cemetery, Sidney, Richland County, Montana, USA. [Group Sheet] [Family Chart]

1. Jerome Anton Ruff was born on 17 Apr 1929 in Custer, Yellowstone County, Montana, USA; died on 3 May 1992 in Sidney, Richland County, Montana, USA; was buried in Fairview Cemetery, Fairview, McKenzie County, North Dakota, USA.
2. Raymond Joseph Ruff was born on 22 Jun 1930 in Montana, USA; died on 31 Jan 1941 in McKenzie County, North Dakota, USA; was buried in Fairview Cemetery, Fairview, McKenzie County, North Dakota, USA.
3. Theodore Emmanuel Ruff was born on 27 May 1932 in Montana, USA; died on 27 Jul 1998 in California, USA.
4. Eileen MaryAnn Ruff
5. Lucille Darleen Ruff