Constance Byström was born on June 10, 1868 in Stockholm, Sweden as Constance Ericsson-Behrens. She was an actress, known for Modärna fruar (1932) and Svarta rosor (1932). She was married to Oscar Byström and Conrad Behrens. She died on May 20, 1952 in Danderyd, Stockholms län, Sweden.