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 Shelburne Earl of Shelburne Earl of Shelburne is a title that has been created two times while the title of Baron Shelburne has been created three times. The Shelburne title was created for the first time in the Peerage of Ireland in 1688 when Elizabeth, Lady Petty, was made Baroness Shelburne. She was the wife of the noted economist Sir William Petty. The title was for life only and became extinct on her death in circa 1708. On the same day that Lady Shelburne was elevated to the peerage, her eldest son by Sir William Petty, Charles Petty, was also raised