She also painted international leaders, including William Tubman, president of Liberia, Rabindranath Tagore the Nobel Prize-winning Bengali poet, the grandchildren of Charlotte, Grand Duchess of Luxembourg and Anne Cox Chambers, U.S.

Her eldest sibling Nikolai, a professor of fiscal law, was the Assistant Minister of Interior Affairs in the Russian Provisional Government under Kerensky.

Her next oldest brother Andrey Avinoff was a prominent entomologist and artist who became the Director of the Carnegie Museum of Natural History in Pittsburgh, Pennsylvania.

President Franklin D. Roosevelt was sitting for her at the Little White House in Warm Springs, Georgia, when he suffered a fatal cerebral hemorrhage on April 12, 1945.

[1] Her estate donated some sketches related to the Unfinished Portrait to the Franklin D. Roosevelt Presidential Library and Museum in Hyde Park, New York.