 Judith was the only surviving child of the poet Wilfrid Blunt and his wife, Lady Anne, a daughter of William King-Noel, 1st Earl of Lovelace and his wife, the renowned mathematician Ada Lovelace.Therefore, she was also the great-granddaughter of Lord Byron.Judith spent most of her childhood in Egypt and other parts of the Middle East while her parents travelled to purchase Arabian horses for their Crabbet Arabian Stud back in England and their Sheykh Obeyd stud in Cairo.