This is North Victor Cecil Dalrymple-Hamilton, who attended Eton and is listed in the Eton School Register 1893 to 1899 where he is recorded as “son of Major the Hon. N. Dalrymple, formerly of Clydesdale, Windsor.” Who Was Who gives the following information:- Col Sir North Victor Cecil DALRYMPLE-HAMILTON, KCVO 1952 (CVO 1937); CB 1949 Born 1883 [Westminster]- the eldest son of the late Col Hon. North de Coigny Dalrymple-Hamilton, MVO, JP, DL, Scots Guards, and the late Marcia Kathleen Anne (youngest daughter of the late Hon. Sir Adolphus Frederic Octavius Liddell, KCB). Married 1910 [London], Lady Marjorie Alice Coke (the eldest daughter of 3rd Earl of Leicester) Died 16 Feb 1953 [Ayrshire] According to the death notice in the Times of 17th February 1953, he inherited the family property in Ayrshire in 1906, and he appears to have lived there most of his life. A very interesting person, but I can’t see a connection with Hertfordshire??