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
Alan, Earl of Menteith 1st Baron Hastings . He was captured at the Battle of Methven, and given to Hastings' disposal. Menteith was committed to Abergavenny Castle; he died a prisoner before 13 March 1308/09, when John de Hastings had licence "to demise to Margery, late the wife of Alan, earl of Menteth, for her life, the manor of Wotton..." Menteith was succeeded in his Earldom by his son Alan II, Earl of Menteith, who was then a minor. Alan, Earl of Menteith married Marjory or Margery, who has been shown to have been a daughter of Colbán, Earl of Fife by his wife