Who married George Cholmondeley, 4th Marquess of Cholmondeley?

George Henry Hugh Cholmondeley, 4th Marquess of Cholmondeley ( CHUM-lee; 3 July 1858 – 16 March 1923) was a British peer and a hereditary joint Lord Great Chamberlain of England. He exercised the office of Lord Great Chamberlain during the reign of King Edward VII (1901–1910).