The sitter was possibly the older sister of Emil Jacob Stehli (1868-1945), namely Margaretha Emerentia Stehli (who married Maximilian Josef “Max” Frölicher) who was born in Zurich, Switzerland, on February 15, 1864, and who died on March 21, 1955 in Zurich, Switzerland. She and her husband and daughter survived the Titanic disaster in April 1912.