The artist is Kustodiev
The laconic form, strict drawing, highlighted color scheme characteristic of the portrait characterize the neoclassical aspirations of Kustodiev in the 1910s.
Rene Ivanovna Notgft (nee Kestlin; 1880–1950s)-wife of Fedor Fedorovich Notgft, close friend of artist B. M. Kustodiev, a well -known collector and publisher, later an employee of the Hermitage. Repeatedly was a model of an artist, passionate about the peculiar beauty and grace of this native of Switzerland.