In 1514 she married the noble and riksråd Johan Månsson (Natt och Dag) (1470–1520), commander and governor of Kalmar 1510–1520.
[2] This was a similar experience as that of her mother, who as a widow defended Vyborg Castle against the Russians.
When her relative Gustav Vasa was released from Danish captivity and returned to Sweden to take part in resistance against Danish rule, he turned to her first for assistance in the struggle.
After Vasa's attempts to persuade the people to arm themselves against the Danish were met first by indifference and then by hostility he was forced to leave the city.
Anna Eriksdotter (Bielke) was portrayed in the opera Gustav Vasa by Gustav III of Sweden, which was performed by the Royal Swedish Opera in 1786, with Lovisa Augusti playing Anna.