The woman in the painting is Maren Christine Heyerdahl (1854–1931), the artist's first wife.
<bdi><a href="https://en.wikipedia.org/wiki/en:Hans_Heyerdahl" class="extiw" title="w:en:Hans Heyerdahl"><span title="Norwegian painter (1857-1913)">Hans Heyerdahl</span></a>
</bdi>
1881<div style="display: none;">date QS:P571,+1881-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="//www.google.com/culturalinstitute/asset-viewer/oQEO376C9TtrqA">oQEO376C9TtrqA at Google Cultural Institute</a>, zoom level maximum