Earl of Airth Privileges heard evidence in support of the opposing claims in 1870 and 1871, but came to no decision, and the three Earldoms remained dormant. On 29 April 2011, Queen Elizabeth II conferred the title of Earl of Strathearn 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 Airth Earl of Airth was a title in the Peerage of Scotland, created on 21 January 1633 by Charles I, for William Graham, 7th Earl of Menteith. It became extinct on the death of his grandson
John Campbell, 1st Earl of Loudoun pounds). He died at Edinburgh on 15 March 1663, and was buried in the Loudoun Kirk, in what is now East Ayrshire. Several of his speeches were printed in the form of pamphlets, and will be found among the political tracts in the British Museum. With his wife, Margaret, who survived him, Loudoun had two sons and two daughters. His eldest son, James, succeeded to the title, and died at Leyden. On the death of James, the fifth earl (a grandson of the second earl), the title descended to his only daughter, Flora, who married Francis, 2nd Earl of Moira,