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 Normanby of Buckingham and Normanby, and hence Constantine Phipps, 2nd Earl of Mulgrave was the step-great-great-grandson of the 1st Duke of Buckingham and Normanby. Upon his death, Constantine Phipps, 1st Marquess of Normanby was succeeded by his son, the 2nd Marquess. He was a Liberal politician and also served as Governor of New Zealand. His grandson, the fourth Marquess, served briefly as a Labour Lord-in-waiting (government whip in the House of Lords) in 1945 and was also Lord Lieutenant of the North Riding of Yorkshire and of North Yorkshire. As of 2013 the titles are held by the latter's eldest son,