[6] Cholmondeley fought in the Second Boer War (1899–1901), serving as a "Railway Staff Officer", first with the Royal Sussex Regiment and from October 1901 as Second Lieutenant of the 9th Lancers.

[10] The family seats are Houghton Hall, Norfolk, and Cholmondeley Castle, which is surrounded by a 7,500 acres (30 km2) estate near Malpas, Cheshire.

After major restoration work in the 1920s and 1930s, the rustic farm only 50 miles (80 km) from London was reported to have been used as a romantic getaway by the then Prince of Wales, who later became Edward VIII.

[12] The ancient office of Lord Great Chamberlain changes at the beginning of each monarch’s reign, as the right to it is divided between three families; one moiety of that right belongs to the Marquesses of Cholmondeley,[13] having come to them as a result of the marriage of the first Marquess to Lady Georgiana Charlotte Bertie, daughter of Peregrine Bertie, 3rd Duke of Ancaster and Kesteven.

The couple were married on 6 August 1913, and they had two sons and one daughter: Cholmondeley died in 1968 and is buried in the Church of St Martin on the Houghton Hall estate.