Cynthia Colville British noblewoman and humanitarian (1884–1968) Parents Sibyl Marcia Graham Robert Crewe-Milnes, 1st Marquess of Crewe Children Jock Colville Philip Robert Colville David Colville Siblings Richard Crewe-Milnes Lady Celia Crewe-Milnes Lady Annabel Crewe-Milnes Mary Innes-Ker, Duchess of Roxburghe Lord Richard Crew-Milnes Partners George Charles Colville