Lady Antonia Margaret Caroline Fraser, (née Pakenham; born 27 August 1932) is a British author of history, novels, biographies and detective fiction. She is the widow of the 2005 Nobel Laureate in Literature, Harold Pinter (1930–2008), and prior to his death was also known as Lady Antonia Pinter. Family background and education. Fraser is the first-born of the eight children of The 7th Earl of Longford (1905–2001) and his wife, Elizabeth, Countess of Longford, née Elizabeth Harman (1906–2002).
https://en.wikipedia.org/wiki/Antonia_Fraser