Jeanette I figured thats what you needed. How bad it may be but you'll have to work with a name change after 1880 and before 1900. No children listed in the 1880 census.
Marriage records online Howard Co. NE. Bk 1 p95J525Johansen, Gustaf ............J525Johansen, L C
1900 census Howard Co. NE. Johnson, Gustav b. July 1857 in Sweden parents b. in Sweden (Occ. farmer) im 1878 Laura b. Aug. 1857 in Sweden parents b, in Sweden im. 1873 married 21 yrs had 9 children ?7 living. Carl b. Jan 1885 in NE. Arad/Orad b. June 1886 in NE Annie M. b. Aug. 1889 in NE Hulda b. Nov. 1881 in NE Iver N. b. Apr. 1893 in NE Effie b. Feb. 1896 in NE.