Derby married Lady Constance Villiers, daughter of
George Villiers, 4th Earl of Clarendon, on 31 May 1864. •
Edward George Villiers Stanley (1865–1948), who succeeded his father as 17th Earl of Derby. • Hon.
Sir Victor Albert Stanley (1867–1934), was an Admiral in the
Royal Navy who married a Canadian lady, the daughter of Hon. C. E. Pooley, KC, of British Columbia. • Katharine Mary Stanley (21 April 1868 – 21 October 1871), died in childhood • Hon.
Sir Arthur Stanley (1869–1947), twin • Geoffrey Stanley (18 November 1869 – 16 March 1871), twin, died in childhood • Hon. Ferdinand Charles Stanley (28 January 1871 – 17 March 1935), was educated at
Wellington and Sandhurst, before joining the
King's Royal Rifle Corps in 1891, rising to the rank of
Brigadier-General. He married the Hon. Alexandra Fellowes, the eldest daughter of
William Henry Fellowes, Baron de Ramsey; they lived at 8 Cornwall Terrace,
Regent's Park, London, now renamed Stanley House. • Lt.-Col. Rt. Hon.
Sir George Frederick Stanley (1872–1938),
Royal Horse Artillery, MP, junior minister and
Governor of Madras. Married Lady Beatrix Taylour (died 1944), daughter of
Thomas Taylour, 3rd Marquess of Headfort; they had a daughter. • Hon. Col. Algernon Francis Stanley (8 January 1874 – 10 February 1962), married the widow Mary Cavendish Crichton (her late husband Lt-Col. Henry William, son of
John Crichton, 4th Earl Erne was KIA in 1914 on the
Western Front), daughter of
Hugh Grosvenor, 1st Duke of Westminster. They had one son and a daughter. •
Lady Isobel Gathorne-Hardy (1875–1963), who was instrumental in convincing her father to create the Stanley Cup. She is mentioned in one of the first games of women's hockey, played at
Rideau Skating Rink in 1899. Her role as a women's hockey pioneer is recognized in women's hockey with both the Isobel Gathorne-Hardy Award, given across women's hockey in Canada, and the
Isobel Cup, the
Premier Hockey Federation's championship trophy. • Lt.-Col. Hon. Frederick William Stanley (27 May 1878 – 9 August 1942), married Lady Alexandra Louise Elizabeth Acheson, the daughter of
Archibald Acheson, 4th Earl of Gosford and
Louisa Acheson, Countess of Gosford on 17 June 1905. They had one son and two daughters, one of whom married the son of
Lieutenant-General Sir George Sidney Clive. He would go on to serve and be wounded in the
Second Boer War, and later the First World War. Her Ladyship remained and several of their children lived in Canada throughout his term as Governor-General. She was responsible for the foundation of the Lady Stanley Institute for Trained Nurses in Ottawa, Ontario, as well as a Maternity Hospital. She was president of the $4,000 fund instituted by the women of Canada for the presentation of a wedding gift to the present Prince and Princess of Wales: a sleigh, robes, harnesses and horses and a canoe. In 1890
Prince George of Wales (the future King George V) was their guest at Rideau Hall. In 1903
King Edward VII was their guest at their residence in
St James's Square. Derby died on 14 June 1908, aged 67, and was succeeded by his eldest son, Edward, who also became a distinguished politician. Lady Derby died on 17 April 1922. ==Legacy==