Sybil Sassoon British noblewoman and marchioness (1894–1989) (1894–1989) Parents Aline Caroline de Rothschild Sir Edward Sassoon, 2nd Baronet, of Kensington Gore Children Lord John Cholmondeley Lady Aline Cholmondeley Hugh Cholmondeley, 6th Marquess of Cholmondeley Siblings Sir Philip Sassoon, 3rd Baronet Isabelle Rosalind Humphreys-Owen Partners George Cholmondeley, 5th Marquess of Cholmondeley
