Mildred Louisa Grenfell (1866-1953) (1866–1953) Parents Charles Seymour Grenfell Elizabeth Graham Children Sir Edmond Joly de Lotbinière Seymour de Lotbiniere Siblings Alice Lilian Grenfell Riversdale Grenfell Cecily Mary Grenfell Partners Henri Gustave Joly de Lotbinière