Here is the obituary* for Ole and Mari Finnestad's great grandson, Olaf A Olson.
Here is the funeral* service card.
Olaf was the son of Mary (Knutson) and Stephen Olson and the grandson of Elizabeth (Finnestad) and Ole Andreas Knutson. His grave marker can be viewed here.
*Provided by Beverly Skog, great great granddaughter of Ole and Mari Finnestad.