Olga's Gallery
Valentin Serov.
Portrait of Nadezhda Derviz with Her Child.
1888-89. Oil on iron plate. The Tretyakov Gallery, Moscow, Russia. More. 
Derviz, Nadezhda Yakovlevna (1866-1908), née Simonovich, cousin of the artist, married Serov’s friend Vladimir Dmitrievich Derviz. Her sister Adelaida was married to Vladimir’s brother Valeriyan Dmitrievich Derviz