Ole and Mari Finnestad's great grandson, Axel DeLos Thompson was born in Chicago on June 7, 1912 to Iverdena (Vallem) and Axel Thompson.
Axel was the first born child to Iverdena (or Dena) and Axel. Here is his birth certificate from Cook County, Illinois.
The birth register (page 1) below lists Axel as entry #17708.
Here is page 2 of the Cook County birth register. Axel's parents, are on the 8th line.
Axel was the grandson of Rachel (Finnestad) and Lewis Vallem.