Mary Katharine Bell (died 1966) (1881–1966) Parents Florence Bell Sir Hugh Bell, 2nd Baronet Children Pauline Trevelyan Sir Geoffrey Washington Trevelyan, 5th Bt. Hugh Patrick Trevelyan Sir George Trevelyan, 4th Baronet Marjorie Trevelyan Katharine Trevelyan Florence Patricia Trevelyan Siblings Hugh Lowthian Bell Florence Elsa Bell Sir Maurice Bell, 3rd Baronet Gertrude Bell Partners Sir Charles Trevelyan, 3rd Baronet