Frank married Mary Magdalena Wegman on 20 Oct 1920 in Saint Charles, Winona County, Minnesota, USA. Mary (daughter of John Joseph Wegman and Anna Maria Lehnertz) was born on 20 Aug 1895 in Dover, Olmsted County, Minnesota, USA; died on 22 Apr 1984 in Saint Charles, Winona County, Minnesota, USA; was buried in Calvary Cemetery, Saint Charles, Winona County, Minnesota, USA. [Group Sheet] [Family Chart]

1. Frances Mary Mueller was born on 20 Nov 1921 in Winona County, Minnesota, USA; died on 7 Oct 2008 in Winona, Winona County, Minnesota, USA; was buried in Saint Rose of Lima Cemetery, Lewiston, Winona County, Minnesota, USA.
2. Donald Joseph Mueller was born on 31 May 1923 in Winona County, Minnesota, USA; died on 10 May 1991; was buried in Calvary Cemetery, Saint Charles, Winona County, Minnesota, USA.
3. Bernard Anthony Mueller was born on 7 Feb 1925 in Winona County, Minnesota, USA; died on 8 Jun 1993 in Rochester, Olmsted County, Minnesota, USA; was buried on 12 Jun 1993 in Calvary Cemetery, Saint Charles, Winona County, Minnesota, USA.
4. Robert Francis Mueller was born on 31 Mar 1926 in Saint Charles, Winona County, Minnesota, USA; died on 15 Oct 1978 in Wisconsin, USA; was buried in St. Adalbert's Cemetery, Milwaukee, Milwaukee County, Wisconsin, USA.
5. Gerald Leo Mueller
6. Thomas Michael Mueller was born on 5 Jun 1935 in Saint Charles, Winona County, Minnesota, USA; died on 26 Sep 1945 in Saint Charles, Winona County, Minnesota, USA; was buried in Calvary Cemetery, Saint Charles, Winona County, Minnesota, USA.
7. Barbara Jeanne Mueller