This beauty had much more to offer as seen in her article in thepeerage: "Lady Helen Cynthia Crewe-Milnes F, #45953, b. 20 May 1884, d. 15 June 1968 Consanguinity Index=0.0%
Lady Helen Cynthia Crewe-Milnes was born on 20 May 1884. She married Hon. George Charles Colville, son of Charles John Colville, 1st Viscount Colville of Culross and Hon. Cecil Katherine Mary Carrington, on 21 January 1908. She died on 15 June 1968 at age 84 at 4 Mulberry Walk, Chelsea, London, England.
Lady Helen Cynthia Crewe-Milnes usually went by her middle name of Cynthia. She was the daughter of Sir Robert Offley Ashburton Crewe-Milnes, 1st and last Marquess of Crewe and Sibyl Marcia Graham. From 21 January 1908, her married name became Colville. She was invested as a Officer, Most Venerable Order of the Hospital of St. John of Jerusalem (O.St.J.). She held the office of Justice of the Peace (J.P.) for the County of London. She held the office of Woman of the Bedchamber to HM Queen Mary between 1923 and 1953. She was invested as a Dame Commander, Royal Victorian Order (D.C.V.O.) in 1937. She was invested as a Dame Commander, Order of the British Empire (D.B.E.) in 1953. She was awarded the honorary degree of Doctor of Law (LL.D.) by Leeds University, Leeds, Yorkshire, West Riding, England. She was invested as a Fellow, Royal College of Music (F.R.C.M.).
Children of Lady Helen Cynthia Crewe-Milnes and Hon. George Charles Colville
David Richard Colville+ b. 11 May 1909, d. 9 Feb 1987
Major Philip Robert Colville b. 7 Nov 1910, d. 11 Apr 1997
Sir John Rupert Colville+ b. 28 Jan 1915, d. 1987."
Her Wikipedia article is here.