The arms are based upon ancient symbols that have been associated with the family for generations. The white tree symbolizes steadfastness, confidence and strength, with white symbolising loyalty and knowledge. The green represents the forest and the yellow cornfields; the family having worked the land for centuries.

The crest is a Norwegian fox holding a Latin cross that bears the family flag.

The family motto "Absque Labore Nihil" can be translated into "nothing without work". 

All those who are descendants of Martin Aanmoen (1880-1959) and Olga Aanmoen (1891-1961) and bearing the surname Aanmoen are allowed to bear these arms as representatives of the family.