Career
She performed all over Scandinavia. She acted between 1939 and 1970. She appeared in the television series Tales of Hans Anderson.
She also directed ballet plays outside of Scandinavia, in Monaco, the United States, the United Kingdom and Russia.
She was the head of ballet at the Stora teatern in Gothenburg between 1970 and 1976 and also of Malmöbaletten between 1980 and 1987. Von Rosen was born in Stockholm.
In 1950, von Rosen married editor Allan Fridericia (1921–1991). Soon after they moved to Denmark.
She died from natural causes on 7 September 2014 in Copenhagen.
She was 90 years old.