Source: Telegraph, 17 July 2021
Not 100 % sure, but she could well be Caroline Evelyn Harford, born 1935 as the eldest child and daughter of George Anthony Harford - LG family - and his wife Margaret Hotham - of the barons.
She married 1959 (div. 1982) Peter Vivian Lloyd-Verney - of the Verney of Claydon House baronets - and had issue: Harry George Vivian (1960), Louisa Margaret (1962) and Henrietta Nell (1965).