Sibell Lumley noblewoman; (1855-1929) (1855–1929) Parents Richard Lumley, 9th Earl of Scarbrough Frederica Drummond Children Constance Ashley-Cooper, Countess of Shaftesbury Percy Lyulph Wyndham Lady Lettice Grosvenor Hugh Grosvenor, 2nd Duke of Westminster Siblings Aldred Lumley, 10th Earl of Scarbrough Ida Bridgeman, Countess of Bradford Osbert Lumley Lady Lillian Lumley Lyulph Lumley, Viscount Lumley Lady Algitha Lumley Partners George Wyndham Victor Grosvenor, Earl Grosvenor