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 Leicester The properties associated with the earldom became part of what was later called the Duchy of Lancaster. In 1564 the earldom was again created for Queen Elizabeth I's favourite, Robert Dudley. Since Dudley died without heirs, the title became extinct at his death. The title was again created in 1618 for Robert Sidney, his nephew. Along with the earldom Robert Sidney was granted the subsidiary title of Viscount Lisle on 4 May 1605. The Sidneys retained the titles until the death of the seventh Earl in 1743, when the titles again became extinct. The title of earl was then recreated