On 16 March 1846, Agnes was married to
James Duff, son of General Hon.
Sir Alexander Duff and Anne Stein, at British Embassy, Paris, France.[2] Duff later inherited the earldom of Fife upon the death of his uncle in 1857. Together, Agnes and James were the parents of six children, five girls and one boy:
Lady Ida Louisa Alice Duff (1848–1918), who married Adrian Elias
Hope, of
Deepdene House, on 3 June 1867 and they were divorced. They had one daughter. She remarried William Wilson, a London stockbroker, on 20 September 1880, with no issue.
George John Patrick Dominic Townshend, 7th Marquess Townshend (13 May 1916 – 23 April 2010) he married Elizabeth Luby on 2 September 1939 and they were divorced in 1960. They had three children. He remarried Ann Darlow on 22 December 1960. They had two children. He married, lastly, Philippa Montgomerie of
Southannan in 2004.
Elizabeth Mary Gladys Townshend (16 October 1917 – 31 December 1950) she married Sir Eric Meadows White, 2nd Bt. on 20 October 1939 and they were divorced in 1947. They had one son. She remarried John Roberts on 15 March 1949.
Sir Christopher Robert Meadows White, 3rd Bt (26 August 1940 – 2015) he married Anne Brown on 14 April 1962 and they were divorced. He remarried Dinah Mary Sutton in 1968 and they were divorced in 1972. He married, lastly, Ingrid Jowett in 1976.
Lady Agnes Elizabeth Audrey Townshend (1870–1955), who married James Cuninghame Durham, son of Rev. James Durham, on 2 December 1903. They had two children:
Nicholas Durham (13 January 1905) he married Joyce du Pré in 1934.
^Marlene A. Eilers, Queen Victoria's Descendants, page 179.
^G.E. Cokayne; with
Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and
Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910–1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume V, page 379. Hereinafter cited as The Complete Peerage.