Alvin married Bertha Mary Louise Christian on 19 Apr 1932 in Minnesota, USA. Bertha (daughter of Henry Joseph Christian and Mary Gertrude Tully) was born on 22 Aug 1910 in Hennepin County, Minnesota, USA; died on 14 Apr 1981 in Saint Paul, Ramsey County, Minnesota, USA; was buried in South Elim Lutheran Cemetery, Scandia, Washington County, Minnesota, USA. [Group Sheet] [Family Chart]

1. Mary Lou Sandgren
2. Donna Marie Sandgren was born on 24 Jan 1933 in Washington County, Minnesota, USA; died on 10 May 2013 in Minnesota, USA; was buried on 15 May 2013 in Chisago Memorial Park, Chisago City, Chisago County, Minnesota, USA.
3. Alvin Andrew Sandgren was born on 16 Oct 1934 in Washington County, Minnesota, USA; died on 14 Mar 2011 in Lindstrom, Chisago County, Minnesota, USA; was buried in Chisago Lake Hillside Cemetery, Center City, Chisago County, Minnesota, USA.
4. John Henry Sandgren