Anna Rosalie Boch (February 10, 1848-February 25, 1936) was a Belgian painter. In addition, Boch compiled an important collection of impressionist art, and was long believed to have been the only buyer of a van Gogh painting during his lifetime.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Anna_Boch
Woman in a Landscape by Anna Boch
c.1890-1892 / Oil on canvas / 39 3/4″x30 / Stedelijk Museum, Amsterdam, Netherlands
Ann Boch on Artnet: http://www.artnet.com/artists/anna-boch/
Further reading:
https://focusonbelgium.be/en/Do%20you%20know%20these%20Belgians/anna-boch
https://thesketchline.com/en/authors/anna-boch/
https://dutch-and-flemish-painters.tumblr.com/post/90240141314/books0977-theo-van-rysselberghe
Red Vineyard at Arles by Vincent van Gogh
How Many Paintings Did Vincent Sell during His Lifetime?
The Misty Miss Christy 
that is cool that she is like the one that bought the van Gogh?
Yes, she had a great eye for artists who were not yet well known.