Anne Marie Carl-Nielsen (born Anne Marie Brodersen; June 21, 1863-February 22, 1945) was a Danish sculptor. She was married to the Danish composer Carl Nielsen.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Anne_Marie_Carl-Nielsen

Havfrue (Mermaid) by Anne Marie Carl-Nielsen
1921 / Bronze / 30″x17″x33″ / Statens Museum for Kunst, Copenhagen, Denmark

Anne Marie Carl-Nielsen on Artnet: http://www.artnet.com/artists/anne-marie-carl-nielsen/

Further reading:
https://www.glyptoteket.com/exhibition/amcn/
Google translation of article “The sculptor Anne Marie Carl-Nielsen and the ancient Greek art”
Danish artist Anne Marie Carl-Nielsen on NMWA~
https://nmwa.org/blog/artist-spotlight/danish-artist-anne-marie-carl-nielsen-part-1-of-2/
https://nmwa.org/blog/artist-spotlight/danish-artist-anne-marie-carl-nielsen-part-2-of-2/