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 Castlemaine a female, the title became extinct on his death. Earl of Castlemaine The Earldom of Castlemaine was a title created in the Peerage of Ireland. It was created for Roger Palmer, the husband of Barbara Palmer (née Villiers), mistress to King Charles II. The Earl was also given the title "Baron Limerick". The title was limited to his male heirs by Barbara (i.e. as opposed, that is, to any later wife he might have) making it clear that the Earldom was for his wife's services to the King and not his own. As the only child officially fathered by the