Bertha Wegmann
1847-1926, Danish portrait painter.
http://www.artnet.com/artists/bertha-wegmann/
via : http://poramoralarte-exposito.blogspot.com/2020/11/bertha-wegmann-1847-1926.html
https://www.tuttartpitturasculturapoesiamusica.com/2020/12/Bertha-Wegmann.html