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 Donegall and on his death in 1883 the barony of 1841 became extinct. He was succeeded in his other titles by his younger brother, the fourth Marquess. On the death of his grandson, the sixth Marquess, in 1975, the line of the second Marquess failed. The late Marquess was succeeded by his kinsman the fifth Baron Templemore (see below), who became the seventh Marquess. From 1975 until 1999, when most hereditary seats were abolished with the passage of the House of Lords Act 1999, the Marquess sat in the House of Lords as "Baron Fisherwick" in the Peerage of Great Britain.