Karoline Tollefsdtr Bangen and Ole Simonsen

I am trying to find these people who emigrated to USA probably in 1867 or 1868 but that is uncertain.. They are: Karoline Tollefsdtr Bangen b. 1842 and Ole Simonsen (Viken) or Bangen. Children: Simon Martin 4,5 and Anna Marie 1,5 years. I am sure I have had found these people earlier, they emigrated from Hadsel in Nordland, but I am not capable to verify this. At the census of 1865 they lived at Bangen in Bardu, Troms. I hope someone who is better in searching than me - can verify this. Hopefully from Bodil Haugli. [email hidden]