Olga Lyudvigovna Della-Vos-Kardovskaya.
A Russian painter and graphic artist.
From 1891 until 1894 she studied at the Schneider School in Kharkov; from 1894 to 1899 she was a student at the Academy in Saint Petersburg. She went to Munich to study at Anton Ažbe's school, staying there from 1899 to 1900. In 1900 she married painter Dmitry Kardovsky.