Andrew married Oliva O Helland on 30 Nov 1914. Oliva was born on 20 May 1890 in Norway; died on 5 Jul 1932 in Stutsman County, North Dakota, USA; was buried in Tolley, Renville County, North Dakota, USA. [Group Sheet] [Family Chart]

1. Roy Johannes Foss was born on 22 Sep 1915 in Tolley, Renville County, North Dakota, USA; died on 8 Jul 1986 in Minot, Ward County, North Dakota, USA; was buried in Tolley, Renville County, North Dakota, USA.
2. Ruth B Foss was born on 30 Mar 1918 in Tolley, Renville County, North Dakota, USA; died on 9 Nov 2006 in Hibbing, St Louis County, Minnesota, USA; was buried in Tolley, Renville County, North Dakota, USA.
3. Alvin O Foss was born on 15 Oct 1926 in North Dakota, USA; died on 23 Oct 1998 in Puyallup, Pierce County, Washington, USA; was buried in Minot, Ward County, North Dakota, USA.