He was the father of Marius Eriksen, Jr. and Stein Eriksen and the grandfather of actress/ film director Beate Eriksen. Eriksen was part of the Norwegian gymnastics team, which won the bronze medal in the gymnastics men's team, Swedish system event.
Eriksen was the patriarch of Marius Eriksen, Jr., Stein Eriksen, and the great-grandfather of actress/film director Beate Eriksen. He was a key figure on Norway's gymnastics team that took home the bronze medal in the men's team event utilizing the Swedish apparatus.