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
Earl of Northesk Hon. Colin David Carnegy (b. 1942)<br> The heir presumptive's heir apparent is his son Charles Alexander Carnegy (b. 1975)<br> The heir presumptive's heir apparent's heir apparent is Patrick James Frederick Alexander Carnegy (b. 2014) Earl of Northesk Earl of Northesk is a title in the Peerage of Scotland. It was created in 1662 for John Carnegie, who notably served as Sheriff of Forfarshire. He was given the subsidiary title of Lord Rosehill and Eglismauldie (or Inglismaldie) at the same time. Carnegie had already been created Earl of Ethie and Lord Lour in 1647 but relinquished those titles in exchange for