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 Catherlough Earl of Catherlough Earl of Catherlough was a title in the Peerage of Ireland. It was created in 1763 for Robert Knight, 1st Baron Luxborough (1702–1772), Member of Parliament for Great Grimsby, Castle Rising and Milborne Port. The 1st Earl was the only son of Robert Knight, Cashier of the South Sea Company, by his first wife. He was with his father on his flight to Brabant in February 1721. In 1727, following his return to England, he married Henrietta St John, daughter of Henry St John, 1st Viscount St John, by his 2nd wife Angelica Pelissary. Henrietta was thus