Frank married Mary Ottilia Lang on 11 Oct 1911 in Missouri, USA. Mary (daughter of Balthasar Lang and Anna Barbara Day) was born on 4 Feb 1891 in Boonville, Cooper County, Missouri, USA; died on 31 Mar 1929 in Boonville, Cooper County, Missouri, USA; was buried on 2 Apr 1929 in St. Martin's Cemetery, Pilot Grove Township, Cooper County, Missouri, USA. [Group Sheet] [Family Chart]

1. Raymond Leonard Gross was born on 21 Mar 1913 in Missouri, USA; died on 15 Feb 1975 in Washington, Franklin County, Missouri, USA.
2. Anna Elizabeth Gross was born on 21 Jun 1915 in Missouri, USA; died on 3 Jun 1997 in St. Louis City, Missouri, USA.
3. Helen Marie Gross was born on 30 Dec 1916 in Missouri, USA; died on 14 Oct 2004 in Boonville, Cooper County, Missouri, USA.
4. Edward Leo Gross was born on 18 Feb 1918 in Missouri, USA; died on 21 May 1987 in Missouri, USA.
5. Lorine Francis Gross was born on 20 Jan 1920 in Missouri, USA; died on 26 Jun 1984 in Missouri, USA.
6. Edna Marie Gross
7. Mary Catherine Gross
8. Barbara Kathryn Gross

Frank married Barbara Catherine Hilden Givens on 28 Mar 1932 in Boonville, Cooper County, Missouri, USA. Barbara was born on 26 Jun 1897 in Missouri, USA; died on 25 May 1993 in Boonville, Cooper County, Missouri, USA; was buried in Ss Peter & Paul Cemetery, Boonville, Cooper County, Missouri, USA. [Group Sheet] [Family Chart]