谁和Marianne von Werefkin约会过？

Mariamna Vladimirovna Veryovkina (10 September [O.S. 29 August] 1860 – 6 February 1938), commonly known as Marianne von Werefkin, was a Russian-born painter, active in Germany and Switzerland during the late Belle Époque and interwar periods. She is particularly known for her Expressionist works.

Alexej Georgewitsch von Jawlensky (Russian: Алексе́й Гео́ргиевич Явле́нский, romanized: Alekséy Geórgiyevich Yavlénskiy; 13 March 1864 – 15 March 1941), surname also spelt as Yavlensky, was a Russian expressionist painter active in Germany. He was a key member of the New Munich Artist's Association (Neue Künstlervereinigung München), Der Blaue Reiter ("The Blue Rider") group, and later Die Blaue Vier ("The Blue Four").