BR enclosed this letter in his letter to Edith of 31 July 1951, document .104996, record 20252. BR corrected the transcription in many passages and provided an annotation: "*[He {Blunt} had a long affair with my cousin the mother-in-law of Churchill.]" (Ruth Derham notes that she was: Lady Henrietta Blanche Ogilvy, wife of Henry Montague Hozier and mother of Clementine Churchill. She was also a granddaughter of Lady Stanley of Alderley. (See Amberley Papers, 1: 22-3.