Need Help Finding Mathisen

Looking for information regarding Hans Mathisen and his wife, Emilie Martena. Don't know when they immegrated to US, but their daughter, Lena, was born in Christiana, Norway, 16 Oct 1888. Hans was born in 1861. Emilie was born 3 Aug 1854. They ended their travels in Denver, Colorado, where Lena married Thoralf August Durkop (Danish).