Martha (Holm) Loen and Helmer Loen were my grandparents. My father was Ronald Loen and my great grandfather was Jacob Holm. Ole and Rakel Loen were my paternal great grandparents but both died when my father was very young.
Ida Loen was my grandfathers sister.
Helmer and Martha had 3 sons and one daughter;
Are you related to Jacob Holm? I've not heard of any Jarvis relations.