She wears a parure of sapphires and diamonds.*** Wikipedia has this about her in the article about George Cholmondeley, 5th Marquess of Cholmondeley: "The wealth of the Cholmondeley family was greatly enhanced by Cholmondeley's marriage to Sybil Sassoon (1894–1989), a member of the Sassoon family, a Jewish banking family with origins in Baghdad and India, and heiress to her brother Sir Philip Sassoon. The couple were married on 6 August 1913; and they had two sons and one daughter."* Wikipedia has an article about her: "Sybil Rachel Betty Cecile Sassoon, Marchioness of Cholmondeley, CBE (30 January 1894, London – 26 December 1989) was Chief Staff Officer to Director WRNS, WRNS HQ, Admiralty (HMS Pembroke III) from 12 November 1939 until 1946. On 9 February 1945 she was appointed as Supt. of the Women's Royal Naval Service (WRNS) and the following year was made CBE.* Family - Daughter of Sir Edward Albert Sassoon (1856–1912), 2nd Bt., and Baroness Aline Caroline de Rothschild (1865–1909).* Sister of Rt. Hon. Sir Philip Sassoon, PC, 3rd Bt.* Married on 6 August 1913 to George Cholmondeley, 5th Marquess of Cholmondeley (19 May 1883 – 16 September 1968); they had two sons and one daughter."