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)
Catherine Graham, Duchess of Montrose married the duke, then Marquess of Graham, on 31 January 1970.. She immediately became Marchioness of Graham, and in 1992, when her husband inherited his father's title, she became Duchess of Montrose. They have three children: Following their marriage, Lady Montrose and her husband moved permanently to Scotland, where they lived at Auchmar House near Loch Lomond. After the establishment of the Preshal Trust, a charity based in Govan, the duchess became one of its leading supporters. The duchess died, aged 79, at Forth Valley Royal Hospital in Larbert, Scotland. Catherine Graham, Duchess of Montrose Catherine Graham, Duchess of Montrose