Cläre Mjøen, born Greverus Berndt in Magdeburg in 1874, died in Norway in 1963. She was one of the most productive translators from Norwegian to German after her marriage with Jon Alfred Mjøen in Magdeburg in 1896. She moved to Kristiania (Oslo) soon after she had married, where she became the translator of Bjørnstjerne Bjørnson, Knut Hamsun, Barbra Ring and many others.

She was the mother of six children, five of which became actors, and the grandmother of Norwegian writer Gerd Brantenberg.