When she arrived in the Ottoman Empire , she was thirty-one years old . She eventually became the principal of the girls ' high school in Sivas , where she taught algebra and geometry . As a supervisor of schools in the neighboring villages , she was also a teacher of Bible studies and trigonometry at the Sivas Teachers College . She became fluent in Armenian and was conversational in Turkish and French . She kept her post as a teacher until the start of World War I and the eventual culmination of the Armenian Genocide
Armenian Genocide
Armenian Genocide
Mary Louise Graffam