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 Northumberland English Army which defeated a larger Scottish force at the Battle of Neville's Cross. His son, Henry de Percy, 3rd Baron Percy married Mary of Lancaster, an aunt of John of Gaunt's wife Blanche of Lancaster. <section end=Percy Family /> <section begin=1377/> In 1377 the next Henry Percy, was created Earl of Northumberland, which title he was given after the coronation of Richard II. Nor was this all, for he was that Northumberland whose doings in the next reign fill so large a part of Shakespeare's "Henry IV", and he was the father of the most famous Percy of all,