Ronald Ferguson Ronald Ferguson Major Ronald Ivor Ferguson (10 October 1931 – 16 March 2003) was the father of Sarah, Duchess of York, former wife to the Duke of York. He was the maternal grandfather of Princesses Beatrice and Eugenie of York. Major Ferguson was polo manager, initially to the Duke of Edinburgh and later, for many years, to the Prince of Wales. Ferguson was the son of Colonel Andrew Henry Ferguson (1899–1966) and his wife Marian Louisa Montagu Douglas Scott (1908–1996), a first cousin of Lady Alice Montagu Douglas Scott, who became (after her wedding to Prince Henry, Duke of Gloucester)
Elizabeth Spencer, Duchess of Marlborough Elizabeth Spencer, Duchess of Marlborough Elizabeth Spencer, Duchess of Marlborough (c.1713 – 7 October 1761), formerly the Hon. Elizabeth Trevor, was the wife of Charles Spencer, 3rd Duke of Marlborough. She was the daughter of Thomas Trevor, 2nd Baron Trevor of Bromham. She married Charles Spencer, then Earl of Sunderland on 23 May 1732, becoming Countess of Sunderland. The Earl's grandmother, Sarah, Dowager Duchess of Marlborough, disapproved of the marriage because Elizabeth's grandfather, the 1st Baron Trevor, had been a political opponent. The dowager commented that "she has very bad teeth, which I think is an objection alone in a