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
Duchess of Rothesay Union of 1707 united de jure the separate kingdoms and thrones into the Kingdom of Great Britain. Ever since 1603 the title of the Duchess of Rothesay is held by the wife of the Prince of Wales, who was also the Duchess of Cornwall and almost always the Princess of Wales; the title of Duchess of Rothesay is for her use when in Scotland. Since under current succession law the title of Duke of Rothesay (like that of Duke of Cornwall) can only be held by an heir-apparent who is also the eldest son of the monarch, no woman has