BBC with the summary.
She is the fifth and youngest daughter of the 12th Earl Waldegrave and Mary Hermione, Countess Waldegrave, née Grenfell (1909–1995). On 25 April 1959 she married Marmaduke Hussey
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She is a godmother of William, Prince of Wales and was chosen to accompany Queen Elizabeth II at the funeral of Prince Philip
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She has also received the Queen Elizabeth II Version of the Royal Household Long and Faithful Service Medal with 30-, 40-, 50- and 60-year bars