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 Wharncliffe Earl of Wharncliffe Earl of Wharncliffe, in the West Riding of the County of York, is a title in the Peerage of the United Kingdom. The title was created in 1876 for Edward Montagu-Stuart-Wortley-Mackenzie, 3rd Baron Wharncliffe. He was a descendant of Edward Wortley Montagu (grandson of Edward Montagu, 1st Earl of Sandwich,) and his wife, the author Lady Mary Wortley Montagu. Their daughter, Mary, married the future Prime Minister John Stuart, 3rd Earl of Bute (see the Marquess of Bute for earlier history of the Stuart family). Their second son, the Hon. James, succeeded to the Wortley estates in