Fred married Anna Maria Nelson on 3 Apr 1907 in Swedeburg, Nebraska. Anna (daughter of Johannes Nelson and Sara Maria Amalia Kinman) was born on 10 Feb 1885 in Saunders County, Nebraska; was christened on 5 Apr 1885 in Swedeburg, Saunders County, Nebraska; died on 29 Aug 1963 in Omaha, Douglas County, Nebraska; was buried on 31 Aug 1963 in Friedens Cemetery, Swedeburg, Saunders County, Nebraska. [Group Sheet] [Family Chart]

1. Mamie Marie Martinson was born on 18 Mar 1908 in Swedeburg, Nebraska; died on 22 Jul 1989 in Fremont, Dodge County, Nebraska; was buried in Fridhem Cemetery, Swedeburg, Saunders County, Nebraska.
2. Frances Gertrude Martinson was born on 1 Sep 1911 in Swedeburg, Nebraska; died on 4 Mar 2002 in Lincoln, Lancaster County, Nebraska; was buried in Morning Side Cemetery, Mead, Nebraska.