Earl of Buchan of his wife. In 1617 they were created by Royal charter Earl and Countess of Buchan, with remainder to the heirs male of the marriage, whom failing, to the legitimate and nearest heirs-male and assignees of the Earl. In 1633 the precedence of the earldom was established by Act of Parliament as 1469. This line of the family failed on the death of their grandson, the eighth Earl, who died unmarried in 1695. The title passed by the terms of the 1617 charter to the heirs male of the 6th Earl i.e. to the heirs male of his younger brother
Earl of Iddesleigh Viscount St Cyres, of Newton Saint Cyres in the County of Devon, at the same time he was given the earldom. This title is also in the Peerage of the United Kingdom. He was succeeded by his eldest son, the second Earl. He notably served as Chairman of the Board of Inland Revenue. On his death the titles passed to his nephew, the third Earl. He was the youngest son of Reverend the Hon. John Stafford Northcote, third son of the first Earl. His eldest son, the fourth Earl, served as a Deputy Lieutenant of Devon. the titles are held