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
Thomas Weston, 4th Earl of Portland Boteler and widow of the 1st Earl of Newport, but they had no children. When he died, his estates passed to his nieces, the daughters of the 2nd Earl, but his title became extinct. Thomas Weston, 4th Earl of Portland Thomas Weston, 4th Earl of Portland (9 October 1609 – May 1688) was a younger son of the 1st Earl of Portland, by his second wife Frances Walgrave. He was born at Nayland in Suffolk, England. His elder brother Jerome succeeded their father in 1635, and passed the title to his own son, Charles, in 1662. However, the 3rd Earl