Caroline Graham, Duchess of Montrose Caroline Graham, Duchess of Montrose Caroline Graham, Duchess of Montrose (10 August 1770 – 24 March 1847), formerly Lady Caroline Maria Montagu, was the second wife of James Graham, 3rd Duke of Montrose. She was the daughter of George Montagu, 4th Duke of Manchester, and his wife, the former Elizabeth Dashwood. She married Montrose on 24 July 1790, at Kensington Palace. He was fifteen years her senior, and had previously been married to Lady Jemima Elizabeth, daughter of John Ashburnham, 2nd Earl of Ashburnham; their only child had died in infancy. The duke and duchess had six children: The duke,
Prince William, Duke of Cambridge Queen granted to the Duke and Duchess of Cambridge a conjugal coat of arms consisting of their individual arms displayed side-by-side beneath a helm and coronet denoting the Duke's status as grandson of the Sovereign. In 2011, the Canadian Heraldic Authority introduced a personal heraldic flag for the Duke of Cambridge's use in Canada. It is the Royal Arms of Canada in banner form defaced with a blue roundel surrounded with a wreath of gold maple leaves and shells within which is a depiction of a ""W"" surmounted by a coronet. Above the roundel is a white label of three