She was innate inside Vesterbro, Copenhagen to a coppersmith Father and the laundress Mother. It each died prior to she was xv. She exposed acting at the Royal Theatre School of Copenhagen. She became a best known stage actress across Scandinavia while she toured. Within 1909, director Urban Gad encouraged her to become the silent movie actor & she starred in the 1910 film Afgrunden ("The Abyss"). the film was a profits thus she was encouraged to prove my point making silent films. Nielsen & Gad shortly married so moved to Germany. She worked within film until talkies became popular, continuing acting only in stage.

She died around 1972 shortly fallowing her fifth marriage.

Understand as well: List of Danes