Earl of Strathearn has also been granted to members of the royal family in the titles of Duke of Cumberland and Strathearn (created 1766, extinct 1790), Duke of Kent and Strathearn (created 1799, extinct 1820) and Duke of Connaught and Strathearn (created 1874, extinct 1943). On 29 April 2011, the title was recreated when Queen Elizabeth II conferred the title on Prince William of Wales. As a result, on marriage his wife Catherine became Countess of Strathearn. He generally uses this title in Scotland. Earl of Strathearn Earl or Mormaer of Strathearn is a title of Scottish nobility, referring to the region of
Earl of Ruglen Earl of Ruglen Earl of Ruglen was a title in the Peerage of Scotland. Along with the subsidiary titles Viscount of Riccartoun and Lord Hillhouse, it was created on the 14th of April, 1697, for Lord John Douglas-Hamilton, fourth (third surviving) son of William Douglas-Hamilton, Duke of Hamilton, 1st Earl of Selkirk, and his wife Anne Hamilton, 3rd Duchess of Hamilton. The 1st Earl of Ruglen succeeded as 3rd Earl of Selkirk on the death of his elder brother in 1739. The Earl's only son William, Lord Daer, died in 1742, so on the death of the Earl of Selkirk