The mother of independence martyr Yu Gwan-sun, Lee So-je (born November 7, 1875) took part in the Aunae marketplace demonstration together with her husband Yu Jung-gwon. After he was fatally shot by Japanese gendarmes, she protested and was shot as well, dying at the scene on April 1, 1919; the couple were jointly awarded the Order of Merit for National Foundation (Patriotic Medal, class 4).