Marquess of Linlithgow the Baron Rankeillour for more information on this branch of the family). The Hon. James Hope-Wallace, second son of the fourth Earl, was a lieutenant-colonel in the army and sat as a Member of Parliament. Charles Dunbar Hope-Dunbar, grandson of the Hon. Charles Hope, third son of the fourth Earl, proved his claim to the Dunbar Baronetcy of Baldoon (created in 1664) in 1916 and became the 6th Baronet (see Hope-Dunbar baronets). Lord John Hope, younger twin son of the second Marquess, was a prominent Conservative politician and was created Baron Glendevon in 1964. Marquess of Linlithgow Marquess of Linlithgow,
Marquess of Zetland Ronaldshay, in the County of Orkney and Zetland, and Marquess of Zetland. The Earl of Ronaldshay is the courtesy title of the eldest son and heir of the Marquess. He was succeeded by his son, the second Marquess. He was also a prominent politician and served as Governor of Bengal and as Secretary of State for India. the titles are held by his grandson, the fourth Marquess, who succeeded his father in 1989. The family seat is Aske Hall, Richmond, North Yorkshire. The heir apparent is the present holder's eldest son Robin Lawrence Dundas, Earl of Ronaldshay (b. 1965).<br> The