a Fellow of the Royal Society of Edinburgh in 1938 and resigned in 1942. Family Colquhoun was the son and heir of Alan John Colquhuon, 6th baronet, and his first wife, Justine Henrietta Kennedy. He succeeded his father as the 7th baronet in 1910, as Sir Iain Colquhoun of Luss and Chief of the Clan Colquhoun. Sir Iain married Geraldine Bryde (Dinah) Tennant (a granddaughter of Sir Charles Tennant, 1st Baronet) on 10 February 1915, and they had two sons (the elder succeeded his father as 9th baronet) and three daughters. One of their daughters, Fiona, a Segrave Trophy winner, married the 8th Earl of Arran (1910–1983), an Irish peer; the present 9th Earl is their son. Notes References Burke's Peerage, Baronetage and Knightage, various editions. Brig-Gen Sir James E. Edmonds, History of the Great War: Military Operations, France and Belgium 1918, Vol I, The German March Offensive and its Preliminaries, London: Macmillan, 1935/Imperial War Museum and Battery Press, 1995, . Martin Middlebrook, The Kaiser's Battle, 21 March 1918: The First Day of the German Spring Offensive, London: Allen Lane, 1978/Penguin, 1983, . External links 1887 births 1948 deaths Scots Guards officers Royal Leicestershire Regiment officers British Army personnel of World War I British Army personnel who were court-martialled Knights of the Thistle Lord-Lieutenants of Dunbartonshire Baronets in the Baronetage of Great Britain Rectors of the University of Glasgow Lords High Commissioner to the General Assembly of the Church of Scotland Companions of the Distinguished Service Order Fellows of the Royal Society of Edinburgh Participants of the Christmas truce of 1915