Christian Olson

I am looking for my ancestors from the Oslo, Norway Area. Names as follows: Christian Olson b. Oslo, Norway Area m. Elizabeth Madsen Outen b. Heland, Oslo, Norway 1823 Children: Jewel Christianson Clemet Christianson Ole Olson Christianson b. Oslo, Norway September 14, 1861 m. Johanna Johnson b. Oslo, Norway June 28, 1863 Children: Julia Caroline Christianson b. Christiana, Norway May 14, 1883 Minnie Christianson b. January 16, 1885 Henry Christianson b. Willmar, Winona Co., MN September 21, 1886 m. Julia K. Tveit b. Oslo/Telemarken, Norway April 26, 1895 Emma Christianson b. Rushford, MN September 03, 1887 John Christianson b. Abt. 1888 Olse Christianson b Abt. 1889/d. 1889 Fritz Manville Christianson b. Winona, MN March 10, 1891 Ols Christianson b. Winona, MN December 11, 1893 Harold Christianson b. Rushford, MN December 09, 1895 Elizabeth(Ella)Marie Christianson b. Filmore Co., MN July 24, 1897 Alma Josephine Christianson b. ChesterTwp., Trail, MN November 15, 1899 Linda Christianson b. Trail, MN August 13, 1901 Carl John Christianson b. Trail, MN November 08, 1902 Ruth Lorinda Christianson b. June 05, 1905 Delphine Christianson b. Trail, MN May 05, 1907 Any help would be very much appreciated. I have come to a dead end on any leads on my family in Norway.