Mary Frances Kerr (1856-1941) (1856–1941) Parents Lord Frederic Kerr Emily Sophia Maitland Children Henry Longman Robert Guy Longman Siblings Arthur Herbert Kerr Frederick Walter Kerr Emily Georgina Kerr Sidney Katherine Kerr Constance Honoria Kerr Edith Harriett Kerr Mark Kerr Cecil Nona Kerr Partners George Longman