Camilla, Duchess of Cornwall paternal ancestors, a minor aristocratic (gentry) family emigrated to England from Scotland. Camilla on her paternal side is descended from James Shand, 1st Laird of Craigellie, whose father, also named James Shand, held the office of Provost of Banff. Other noble ancestors on her paternal side include George Keith, 5th Earl Marischal, William Douglas, 7th Earl of Morton, and George Hay, 1st Earl of Kinnoull. Camilla's French lineage derives partially through her maternal great-great-grandmother, Sophia Mary MacNab of Hamilton, Ontario, daughter of Sir Allan MacNab, who was the Prime Minister of the Province of Canada before Confederation. Sophia was the
Camilla, Duchess of Cornwall as "Her Royal Highness The Duchess of Cornwall". The exception is Scotland, where she is styled as "Her Royal Highness The Duchess of Rothesay". She also bears the title Countess of Chester. Although legally she is Princess of Wales, Camilla has adopted the feminine form of her husband's highest-ranking subsidiary title, Duke of Cornwall, because the title Princess of Wales became strongly associated with the previous holder of that title, Diana. She will legally become queen consort, in accordance with English common law, if Charles becomes king. Clarence House stated on the occasion of their wedding in 2005 that Camilla