The artist is unknown
Olga Vladimirovna Chengery (1827–1898)-wife of Lieutenant General Xaveria Osipovich Chengeri (1816–1880).
Age, costume and hairstyle of the depicted allow you to date its portrait in the beginning of the 1840s. This dating is confirmed by the results of technological research. Characteristic of the Bidermayer era, expressive, emotional, with a personified attitude of the artist to the model, characterized by interest in characteristic situation details (clothing and hairstyle of the model, piano) and sonorous color the portrait came from the family meeting. The name of the depicted is reported by her great -grandson, the former owner. High quality painting allows us to argue that its author certainly was a professional artist.
N. X. Unknown artist. SPb, 2012. With. 167.