She is best known as the wife and supporter of poet, playwright, popular speaker and Nobel laureate Bjørnstjerne Bjørnson.
[1] Karoline Johanne Elisabeth Reimers was born at Etne in Hordaland and grew up in Bergen, Norway.
[2] She was the mother of six children, five of whom lived to adulthood: She died at Aulestad the family estate in Follebu, Oppland at 98 years old.
[6] The painting of Bjørnstjerne and Karoline Bjørnson by Eyolf Soot (1859–1928) from 1897 is located in the National Gallery of Norway.
She was the subject of a biography by author Øyvind Anker (1904–1989) in his book Boken om Karoline (Oslo: Aschehoug, 1982).