Marianne von Werefkin, Russian-Swiss painter (d. 1938)
Marianne von Werefkin, born Marianna Wladimirowna Werewkina (Russian: Мариа́нна Влади́мировна Верёвкина, tr. Mariánna Vladímirovna Verëvkina, IPA: [mərʲɪˈanːə vlɐˈdʲimʲɪrəvnə vʲɪˈrʲɵfkʲɪnə]; 10 September [O.S. 29 August] 1860 – 6 February 1938), was a Russian-German-Swiss Expressionist painter.