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 Reading Jew, and is the most recently created "extant" marquessate in the Peerage of the United Kingdom (that of Willingdon was created in 1936 but became extinct in 1979). In this role, the marquessate of Reading is currently the junior-most marquessate in the Order of precedence in England and Wales. Upon the death of the 1st Marquess of Reading, he was succeeded by his son, the second Marquess. He notably held ministerial office from 1951 to 1957 in the Conservative administrations of Winston Churchill and Anthony Eden. the titles are held by his grandson, the fourth Marquess, who succeeded his father